人生应该树立目标,否则你的精力会白白浪费。
Have an aim in life,or your energies will all be wasted.
数学的本质在于它的自由。
从我们记事起,妈妈就是一个中年妇女了,可谁又知道,她也曾是个花季少女。
Life is a journey, and if you fall in love with the journey, you will be in love forever.
我不是信徒,我是知情者。
You never lose a dream; it just incubates as a hobby.