DDリファレンス
Designing Data-Intensive Applications
Martin Kleppmann · システムデザイン
Data outlives code. Every architecture decision is really a decision about what your data will let you do in five years.
要点
- Replication and partitioning are the same problem seen from two directions — consistency is always negotiated, never free.
- Schema-on-read moves the pain, it doesn't remove it: the contract just migrates from the database to every reader.
- Every 'reliable' system is a stack of trade-offs against partition tolerance — pick yours explicitly.
AP読了
A Philosophy of Software Design
John Ousterhout · システムデザイン
Complexity isn't caused by big mistakes — it's the compound interest of small 'this will do' decisions. Deep modules beat clever ones.
要点
- Define errors out of existence: the best error handling is an interface where the error case can't happen.
- Comments should capture intent the code can't express — 'why', never 'what'.
- Slightly deeper modules beat many shallow ones; each new layer must pay for its own interface.
MA読了
Man and His Symbols
Carl Gustav Jung · 心理学と精神分析
The unconscious doesn't speak in sentences — it speaks in recurring symbols. Your dreams and fixations are telemetry, not noise.
要点
- Recurring images in dreams map to unresolved tensions the rational mind is avoiding.
- Projection runs both ways: what irritates you in others is usually unowned material in yourself.
- Individuation is integration work — making the shadow conscious removes its leverage.
TE読了
The Ego and the Id
Sigmund Freud · 心理学と精神分析
You are not one negotiator — you're a three-way treaty between impulse, conscience, and the part that pretends to be in charge.
要点
- The ego mediates; it doesn't rule. 'Willpower' fails when it fights structure instead of renegotiating it.
- The superego can be harsher than any external critic — internalized judgment compounds.
- Defense mechanisms are load-bearing: remove them before the insight lands and you get collapse, not growth.
OT読書中
Outlive: The Science & Art of Longevity
Peter Attia · バイオハッキングと長寿
Medicine 3.0 isn't about living longer in decline — it's about pulling the decline curve right so the last decade is functional.
要点
- Train for the 'centenarian decathlon': strength, stability, and VO₂ max are the currencies old age spends.
- Zone-2 cardio is the base layer — mitochondrial health determines how well everything else works.
- Prevention beats intervention by decades: the metrics that matter move slowly and quietly.
LW読了
Lifespan: Why We Age — and Why We Don't Have To
David A. Sinclair · バイオハッキングと長寿
Aging is information loss, not hardware failure — epigenetic noise, not DNA damage, is what makes cells forget what they are.
要点
- The epigenome drifts, not the genome — if the signal can be re-read, aging is theoretically addressable.
- Hormesis is real: short, controlled stress (fasting, cold, heat) upregulates repair pathways.
- NAD+ decline correlates with the whole cascade — sirtuins sit upstream of most repair machinery.
SAリファレンス
Structure and Interpretation of Computer Programs
Harold Abelson & Gerald Jay Sussman · ディープテックとCS
Programs are executable thought. The book teaches you to see evaluation itself as a material you can shape — metalinguistic abstraction.
要点
- Code is data — an interpreter is just another program; writing one dissolves the mystery of what languages 'mean'.
- State and identity are the source of most complexity; immutability is a design default, not a dogma.
- Abstraction barriers matter more than abstraction power — control what can depend on what.
GEリファレンス
Gödel, Escher, Bach: An Eternal Golden Braid
Douglas Hofstadter · ディープテックとCS
Self-reference is the engine of meaning: systems that can encode statements about themselves become undecidable — and strangely alive.
要点
- Strange loops are everywhere: a system describing itself is how 'I' and incompleteness both emerge.
- Formal systems powerful enough to be interesting are necessarily incomplete — that's structural, not a bug.
- Meaning lives in the mapping between levels — symbol, pattern, interpretation — not in the substrate.
TS読了
The Sovereign Individual
James Dale Davidson & William Rees-Mogg · 哲学と主権
Violence used to be the best ROI on organizing society — cryptography and the internet moved the exit cost to near zero, and states become services.
要点
- When protection stops requiring territory, jurisdiction becomes a marketplace — you can shop for it.
- Income follows control of digital infrastructure, not proximity to it; geography decouples from economics.
- Skills that compound — code, capital allocation, language — beat credentials in a jurisdiction-fluid world.
Mリファレンス
Meditations
Marcus Aurelius · 哲学と主権
Written by the most powerful man on earth as private notes — never intended for publication. Stoicism as operational discipline, not aesthetic.
要点
- You control perception, intention, and action — everything else is externals; price them accordingly.
- The obstacle is the material: impediments are what the work is made of, not interruptions to it.
- Impermanence is clarifying, not depressing — it prices attention correctly.