Say less beautiful words and do more ordinary things. (Lenin)

Let career become happiness, let happiness become career. (Russell)

People get happiness in performing their duties. (Rozov)

Do one thing and love another.

Every door is not as good as a delicate door.

I can't come back yesterday, tomorrow is uncertain, and today is the only certainty. One day today, two days tomorrow.

Yemansen

It is one's bounden duty to be brave in exploring the truth.

Copernicus

As long as you take one more small step, it seems to be a small step in the same direction, and the truth will become a mistake. Lenin

I live for the truth and die for the truth. I have nothing of my own except truth. Wang Ruofei

In an instant, strength lies in strength, and in a thousand years, success or failure is reasonable. Cao Yu

Be confident, never be afraid of the truth, bravely support the truth, tell others the truth and fight for it. Liu Shaoqi

We just want to bow down to the altar of truth, not to the authority of all things.

Guo Moruo

It is best to compare truth to flint-the harder it is beaten, the more brilliant it is. Marx