抽象是管理大型软件系统复杂性的关键。
If you're offered a seat on a rocket ship, don't ask what seat! Just get on.
真実はいつも一つではない。それぞれの視点から見た真実がある。
To write is to resist the erasure of history.
The essence of investment management is the management of risks, not the management of returns.