如果你想走得快，就独自前行；如果你想走得远，就结伴同行。
If you want to go fast, go alone. If you want to go far, go together.
The best performance improvement is the transition from the nonworking state to the working state.
I don't do things for the reaction or the credit. I do things because they're what I want to do.
Society can and does execute its own mandates， and if it issues wrong mandates instead of right， or any mandates at all in things with which it ought not to meddle， it practices a social tyranny more formidable than many kinds of political oppression， since， though not usually upheld by such extreme penalties， it leaves fewer means of escape， penetrating much more deeply into the details of life， and enslaving the soul itself.