The difference between good and great is the extra mile.

人们并不懒惰。他们只是有无力的目标——也就是说，那些不能激励他们的目标。

I don’t compete with anybody but myself. When you compete with other people, you limit yourself.

The degree of slowness is directly proportional to the intensity of memory; the degree of speed is directly proportional to the intensity of forgetting.