The world is the totality of facts, not of things.

Leaders must have the courage to make tough decisions today for a better tomorrow.

The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.

The truth is a slippery thing, especially in the dark.

The market is a very efficient mechanism for transferring wealth from the impatient to the patient.

如果没有经历寒冷的冬天，就不知道松柏的坚韧挺拔；没有经历过危难的事情，就不知道君子志向的远大。