Success is not final, failure is not fatal: it is the courage to continue that counts.

你信任的不是工具——工具只是工具——它们要么工作，要么不工作。你信任的是人，或者不信任。

The more you sweat in practice, the less you bleed in battle.

创造性破坏的过程是资本主义的基本事实。