The dark night gave me black eyes, but I used it to look for the light-Gu Cheng

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

In pure light, as in pure darkness, you can't see anything clearly. -Hegel

Light cleans dirt, and light clears darkness. (Hugo's Tragedy World)

The same sun shines on his palace, and it never avoids our hut; Sunlight is the same. -Shakespeare's Winter Story

Truth, light, justice and conscience are God. God is light. -"The Biography of Hugo"

At night, a candle torch was placed on the edge of the dark abyss. Even if this candle torch was just cheap grease, it turned into a star during the disaster. -Hugo's "The Smiling Man"

Harkness can only scare people's hearts. The chilly north wind can't scrape off pedestrians' coats. When the sun shines on pedestrians, it can make people gradually heat up and take off their coats automatically. -Hugo Notre Dame de Paris

I can't bear to see the light buried. -Roman Roland's The Struggle between Love and Death

All the good things of human beings come from the light of the sun. Without the sun, flowers can't bloom; Without love, there is no happiness; Without a female companion, there is no love; Without a mother, there would be no poets and heroes. -Gorky

In my opinion, darkness is not the absence of light, but an independent force hostile to light. -Gorky's A Hero's Tale

Pursuing happiness:

What a magnificent undertaking it is to work for the happiness of mankind, and what a great purpose it is! -Saint-Simon

The greatest happiness that everyone can achieve is among the greatest happiness that all people can achieve. -zola

True happiness can only be realized when you truly realize the value of life. -munir nassouf

Happy are those who are interested in research! New people who can get rid of their delusions and vanity through research are happier. -Latitri

Take the happiness of others as your own happiness, give flowers to others, and keep the thorns for yourself! -Valdes

As long as you have a reasonable thing to do, your life will be particularly beautiful. -Einstein

Science is by no means a selfish pleasure. Those who are fortunate enough to devote themselves to scientific research should first serve mankind with their knowledge. -Marx

Even if I become a handful of dirt, as long as it is paved on the road leading to truth, it is also the greatest happiness for my partners to make great strides. -Wu Yunduo

The purpose of all human efforts is to obtain happiness. -Owen

The only revolutionary, whether he lives or dies, can give happiness to everyone. -Lu Xun

Cattle eat grass, while horses eat food. Cattle enjoy the least and contribute the most, so it is best to be a scalper. I am willing to be an old ox for the party and the people all my life. -Wang Jinxi

People get happiness in performing their duties. Just like a person carrying something, but his heart is very comfortable. If people don't have it and don't do their duties, it's like driving an empty car, that is to say, it's a waste. -Rozov

My art should only benefit the poor. Ah, what a happy moment! How happy I should be when I can get close to this point! -Beethoven

create, or create in the future. This is a necessity: happiness can only exist when this necessity is met. -romain rolland

The more happiness is shared with people, the more its value increases. -Seiichi Morimura

It is the bounden duty of scientists that we should continue to struggle and thoroughly expose the mysteries of nature. Mastering these mysteries will benefit mankind in the future. -Iorio Curie

Only the happiness of all mankind is your happiness. -Dietzgan

If happiness lies in physical pleasure, then it should be said that cows are happy when they find forage to eat. -Heraclitus

If one day I can contribute to our public interests, I will consider myself the happiest person in the world. -Nikolai Gogol

Personal pain and joy must be integrated into the pain and joy of the times. —— Ai Qing

There are tens of millions of mansions in Ande, which greatly protects the world's poor people. -du fu

when a person has lofty ideals, he will feel happy even in the most difficult times. -Xu Teli

Of course, a writer must earn money to live and write, but he should never live and write to earn money. -Marx

Blessed are the people who have nothing, because they will gain everything! -Roman Roland

When you are happy, don't lose the virtue that makes you happy. -Mo Luoa