1, wealth can't be lewd, poverty can't be moved, and power can't be indulged, so it's called a gentleman.

2. Knowing a great deal means abandoning doubts, doing a great deal means nothing, and doing a great deal means nothing. It's not necessary to stop without regrets.

3. Knowing is nothing more than abandoning doubts, doing nothing more than doing nothing, and doing nothing more than regretting; It's not necessary to stop things without regrets.

4 It's wise to respect what they have heard.