一个值得追求的年度目标：充分学习一个领域，以至于你无法相信一年前有多么无知。
理解的提高有两个目标：首先，我们自己的知识增长；其次，使我们能够将这些知识传递给他人。
Generally speaking, envy, resentment, and self-pity are disastrous modes of thoughts.Self-pity gets fairly close to paranoia, and paranoia is one of the very hardest things to reverse.
The Liskov Substitution Principle is a fundamental concept in object-oriented programming, ensuring that derived classes can be used in place of their base classes without altering the correctness of the program.
预测未来的最好方法就是创造它。
Guilt is like a bag of bricks. All you have to do is set it down.