只有一种真正的罪过，那就是说服自己次好的东西不仅仅是次好的。

过去总是紧张的，未来是完美的。

心怀大志，努力工作。

The division of labor is limited by the extent of the market.

"We all have an unsuspected reserve of strength inside that emerges when life puts us to the test."

Fisheries management must be adaptive to changing ocean conditions.

世界历史可以这样总结：强国总行不义。等到他们醒悟了，他们不已经不再强了。

I would not dare to say that there is a direct relation between mathematics and madness, but there is no doubt that great mathematicians suffer from maniacal characteristics.

I earnestly wish to point out in what true dignity and human happiness consists.