成功不要紧，失败不致命。继续前行的勇气，才最可贵。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
Boundaries define us. They define what is me and what is not me. A boundary shows me where I end and someone else begins, leading me to a sense of ownership.
The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack in will.
