种一棵树最好的时间是20年前,第二好的时间是现在。
众人的好恶容易察明,但自身的缺点好恶则不易发现。
作为研究者最重要的资质是好奇心和忍耐力。
真正的成功是按照自己的方式生活。
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.