你不能害怕失败，这是成功的唯一途径。
"You can't be afraid to fail. It's the only way you succeed."
The greatest threat to democracy is not from external enemies but from internal decay and the loss of civic virtue.
The power of a man, to take it universally, is his present means, to obtain some future apparent good.
The most important thing in trading is to preserve your capital.
