Self-education is, I firmly believe, the only kind of education there is.
To understand a program you must become both the machine and the program.
The unexamined life is not worth living.
Science thrives on doubt and skepticism.
Success is not final, failure is not fatal: It is the courage to continue that counts.
宁可在田野中狩猎以求健康,也不花钱让医生开令人作呕的药。
白云谦卑地站在天边,晨光给它披上壮丽的光彩。