历史上最坏的罪恶往往都来自那些自以为是在打击罪恶的人。留心自己打击罪恶的想法。
The worst evils in history have always been committed by those who truly believed they were combating evil. Beware of combating evil.
Complexity is not a barrier to understanding, but a challenge to be overcome.
Never put off till tomorrow what you can do the day after tomorrow.
如果你没有至少90%的时间失败,那么你的目标还不够高。