There is a famous saying, which roughly means that if you want to illuminate others, you must first have light in your heart.

what you plant when you are young, you reap when you are old.

-Ibsen

People are cute not because they are beautiful, but because they are cute.

-Tolstoy

● I don't know how many times a man's virtue is greater than his wealth.

-Leonardo da Vinci

Human life is limited, but serving the people is infinite. I want to devote my limited life to serving the people infinitely.

-Lei Feng

● It is a man's bounden duty to explore the truth.

—— Copernicus

● The wider one's knowledge, the more perfect one is.

-Gorky

● Human wisdom holds three keys, one for opening numbers, one for opening letters and one for opening notes. Knowledge, thoughts and fantasies are among them.

-Hugo

● People often think that the preparation stage is a waste of time. Only when the real opportunity comes and they are unable to grasp it can they realize that they are not prepared at ordinary times.

-Roman Roland

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

-lev tolstoy

● Life should be like a candle, which is always bright from top to bottom.

-Xiao Chunv

Man needs truth just as a blind man needs a lively guide.

-Gorky

● There is a solution to any problem, and there is no unthinkable.

-Edison

● If you want to succeed, you should use persistence as your good friend, experience as your reference, caution as your brother and hope as your sentry.

-Edison

● If it is a rose, it will always bloom.

-Goethe

If I see farther than Descartes, it is because I stand on the shoulders of giants.

-Newton

● Only those who are good at using their spare time can make greater achievements.

-Hua Luogeng

● Less and more eager to learn, like the sunrise; Strong and eager to learn, such as the light of Japan and China; Being old and eager to learn is as bright as a candle.

-Liu Xiang

● Life is about seeking new knowledge.

-Mendeleev

● The person who lives the most meaningful life is not the person who lives the oldest, but the person who feels the most about life.

-Rousseau

● The ideal of life is for the ideal life.

-Zhang Wentian

● The harder life is, the stronger and even smarter I feel.

-Gorky

● The whole meaning of life lies in the endless exploration of unknown things and the continuous increase of more knowledge.

-zola

● The heaviest burden in life is not work, but boredom.