Always keep your knife sharp, your wits sharper, and your spirit sharpest.
计算复杂性的美在于它能够揭示问题的固有难度,而不管用于解决这些问题的具体算法是什么。
The ultimate test of our religious principles is not just what we say in our testimonies but what we do in our lives.
Change is not merely necessary to life—it is life.