说别人的坏话是赞美自己的一种不诚实的方式。
To speak ill of others is a dishonest way of praising ourselves.
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
进步的真正衡量标准不在于知识的积累,而在于其应用于人类的改善。
人们不禁会感到这些数学公式拥有独立的存在和自己的智慧,它们比我们更聪明,甚至比它们的发现者更聪明。
理性是冰冷的太阳,它给予光明却不给予温暖。
Leadership means making tough decisions today for a better tomorrow.