过去是一种幻觉,未来是一个谜,现在是一份礼物。
O passado é uma ilusão, o futuro é um mistério, o presente é uma dádiva.
The hardest part of designing a system is deciding what to build.
最好的创意往往出现在你不刻意追求的时候。
The duty of the Government is to leave commerce to its own capital and credit as well as all other branches of business.
We use mathematics to understand the markets, not to predict them.