Your time is limited, so don't waste it living someone else's life.
What other dungeon is so dark as one's own heart! What jailer so inexorable as one's self!
In this business, if you're good, you're right six times out of ten. You're never going to be right nine times out of ten.
科学不仅仅是寻找答案,更是提出正确的问题。
You cannot teach a man anything, you can only help him to find it for himself.