痛苦+反省=进步

I was taught that the way of progress was neither swift nor easy.

The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when to be obeyed.

投资于人是一家公司能做出的最有价值的投资。