What is a poem that sees through human nature?

1, it is impossible to repair the ancient times unexpectedly. From "Five Miles, Five Miles".

The meaning of these two sentences is that saints do not expect to copy the ancient laws and stick to the rules, but formulate corresponding political measures according to the actual situation of the current society.

2, good medicine tastes bitter, the wise advised to drink, knowing that it is sick. From the pre-Qin "Everything is done by Han Feizi".

Good medicine tastes bitter, but a wise man knows what to drink, because he knows that it can cure the disease. Metaphorical criticism is not pleasant to hear, but it can make people progress.

3. the vacation is not long, the vacation is not long. From "Everything is wrong, one of the difficulties".

The general idea is that deceptive self-boasting will not be seen through for a long time; It won't be long before you cover up the truth and cheat.

4. Internal and external correspondence, commensurate with words and deeds. Han Feizi from the pre-Qin period. Everything you say is the same, everything you say is the same.

5. No reward for reactive power, no punishment for innocence. From "Everything is done wrong Nan Yi" in the pre-Qin period.

Don't reward those who have no merit, and don't punish those who have no sin.