There are three keys to human wisdom, one is to open numbers, the other is to open letters, and the other is to open notes. Knowledge, thoughts and fantasies are all in it.

Hugo

People often think that the preparation stage is a waste of time. Only when the real opportunity comes and you can't grasp it, do you realize that you are not prepared at ordinary times and are wasting your time.

-romain rolland

Life is not a pleasure, but a very heavy job.

Leo Tolstoy

Life should be like a candle, burning from top to bottom and always bright.

Xiaochu Nv

Man needs truth just as the blind need a bright guide.

Gorky