效率是把事情做对，效果是做对的事情。

The past is not behind us; it is within us.

I think we are all capable of terrible things under the right circumstances.

海洋给予我们丰饶，但它要求我们以尊重回报。

Critical comments by students should be taken in a friendly spirit， accumulation of material should not stifle the student’s independence.

【译文】三个人一起走路，其中必定有可以为我所学习的人。我选取那些优良的方面学习它，对那些不良的方面则加以改正。