生活中唯一的限制是你自己设定的。
你无法改变过去,但可以通过担心未来来毁掉现在。
每个孩子都应该在他们读的故事中看到自己。
The most important thing in science is not to solve problems, but to ask the right questions.
The power of randomness in algorithms is often underestimated.