The silkworms in spring will not stop running out of silk, and the people will not stop until they are pregnant. You need to work hard as long as you have a breath left, leaving it as a good area for youth. —— Wu Yuzhang There can be no life twice, but many people are not good at spending it even once. I hope that every time I recall, I will not feel guilty about life - Guo Xiaochuan People who understand life and love life are happy. The east has arrived, can spring be far behind? —— Shelley No one lives forever, and nothing lasts forever. I always feel that life itself should have a meaning, and we are by no means in vain. Reading all good books is like talking to many noble people - Descartes Fishes are born in water, in water; grass and trees are born in soil, in soil; people are born in Tao, in Tao. Knowledge itself does not tell people how to use it. The method of use is outside the book - Bacon Beauty is everywhere. For our eyes, it is not a lack of beauty, but a lack of discovery - Rodin I throw myself on books, just like a hungry man throws himself on bread - Gorky If you have your ambition, you will still be alive; if you don't have your ambition, you will still be alive. Originally, there was only one life and it was precious to everyone. Knowledge is as precious as human blood. If a person lacks blood, his body will be weak; if a person lacks knowledge, his mind will dry up - Gao Shiqi regards those who are alive as a martyr. The wisdom of life probably lies in asking why when things happen - Balzac. Life is like running water. It is beautiful and meaningful only when it flows and rushes forward. To learn knowledge, you must be good at thinking, thinking, and thinking again. This is how I became a scientist - Einstein Life is the source of knowledge and a treasure trove of composition materials.