永远不要停止学习，因为世界永远不会停止变化。

释义：杜绝不良嗜好，禁止过度欲望，从而摆脱牵累；抑制错误行为，减少邪恶之事，从而消除过错；减少饮酒，远离美色，从而保持自身清白。这是对修身养性、克制欲望的教导。 

The meaning of "knowing" has shifted from being able to remember and repeat information to being able to find and use it.

In mathematics, truth is somewhere out there in a place we don’t yet know, and the only way we can hope to find it is by exploring.

许多人认为他们在思考，实际上只是在重新整理他们的偏见。