What famous sayings warn people to stick to their hearts under any circumstances?

Keep your original heart and never change. -Su Shi

Small rivers can wear stones. -Zhai Hao

If you don't make up your mind, you will end up useless. -Zhu

Although he died nine times, he did not regret it. —— Qu Yuan

Poverty is strong, not falling into the sky. -Wang Bo

Persisting in the great cause of will requires perseverance. -Voltaire

Don't be confused, don't be trapped in love, don't be afraid of the future, and don't miss the past. Okay, then. -Feng Zikai

Not many people can stand firm, stick to the correct viewpoint and tide over the difficulties. Hugo

Determined to work hard is like planting a tree, but its roots and buds are not dry yet; It is dry, but there are no branches yet; Branches, leaves and flowers. Wang Shouren

If the will is obedient, no matter how much, it will encourage violence. -Dante

A firm belief can win the hearts of the strong and make them stronger. -Bai Zhete

Now that I have set foot on this road, nothing can stop me from going on. -Kant

If you don't remember books, you can remember them if you are familiar with them; Righteousness is not refined, but careful thinking can be refined; Only if you don't stand up, there is nothing you can do. -Zhu

As long as you keep working hard and make unremitting efforts, there is nothing you can't conquer. Seneca

The most terrible enemy is that there is no firm belief. -romain rolland