The weak grow strong by effrontery, the strong by yielding.
虚弱者通过厚颜无耻变得强大,强者通过妥协变得强大。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.
我是一个完美主义者。我非常注重细节。
The past is always with us, for it feeds the present.