Fear can hold you prisoner. Hope can set you free.
懦怯囚禁人的靈魂，希望可以讓你自由。
地質(zhì)學(xué)不會(huì)妥協(xié)，我們的標(biāo)準(zhǔn)也不應(yīng)該妥協(xié)。
Abstraction is the key to managing complexity in software systems.
You can't change the past, but you can ruin the present by worrying about the future.