1. Don't test human nature, never-it is simply vulnerable.

-Li Bihua's

2. The real test is in pain and happiness. When two people pass the tests of these two kinds of life, their advantages and disadvantages are exposed in the process, and their personalities are observed, they can walk hand in hand to the grave.

-Balzac

3. Neither human nature nor human heart can be tested, because when you try to test it, it shows that you have begun to doubt, and doubt is the root of all misfortune!

-tricky

4. Human nature can't be tested, and people's hearts can't guess. fanatical love and dislike are all benefits in the final analysis.

-tricky

5. The essence of love may be a test, testing each other's light and dark humanity, testing people's will and self-control in time, and the illusion of joy. It is just the appearance of water spray and the dark tide surging under the deep river, which needs physical and mental lurking to fight against the breakthrough. People are meaningless when they are young, and they have not deeply understood human nature and time, so there is no mercy.

-Annie Baby

6. Don't challenge or test human nature easily. Human nature can't stand these things. What it needs is preservation, room, blocking and covering. If you stab into it with a single knife, it will be full of flaws. Don't try to defeat anyone. Only a really strong heart can stand the truth and killing. If you have pity, you should be kind and accept the weakness and darkness of those hearts.

-Annie Baby

7. Whether you can keep your word to your friend and always be a person worthy of him is the best test of your soul, personality, psychology and even morality.

-Marx

8. Education cannot change human nature, but can only improve it.

-Aristotle

9. He who tortures others tries his best to destroy the humanity of his own kind, and as a result, he also destroys his own humanity.

-Sartre's come to a bad end

1. Love, hope, fear and belief constitute human nature, and they are the signs and characteristics of human nature.

-Luo Browning

11. There are always bad elements in human nature that like to complicate simple things.

-Warren Buffett

12. Lose humanity and lose a lot; Lose the beast, lose everything.

-Liu Cixin