The best way to buy a stock is when it's cheap, and the best time to sell is when it's expensive.

It is now clear that the hybrids form seeds which have the one or the other of the two differentiating characters.

There is no absolute security, only relative risk control.

如果使人们喜怒无常，居处不定，思虑不得要领，行事中途就乱了章法；那么，天下间就会出现各种不平与不合理，而后像盗拓或者曾参、史鳅做的那些事情，都会发生。

Power is not a means; it is an end. One does not establish a dictatorship in order to safeguard a revolution; one makes the revolution in order to establish the dictatorship.