我只是努力保持一致性,每天坚持训练。
我们不是通过经验学习,而是通过对经验的反思学习。
可持续发展不是一种选择,而是我们对地球和后代的责任。
The uniform, constant, and uninterrupted effort of every man to better his condition, the principle from which public and national as well as private opulence is originally derived.