What are the sentences about human nature and interests?

The sentence of human nature and interests is:

1, the so-called friend is that you don't hate him, and he doesn't hate you. They know each other and their interests don't conflict.

2. When we try to bridge the rift with others, we should also be careful of our internal fatigue fracture.

3, life is like a green leaf, with the passage of time, slowly turn yellow, but his context is still so clear. If it is a grass, no matter how good the enterprise is, it will not grow into a big tree. In that case, it is better to experience the storm and cultivate yourself into a valuable flower.

4, love is like a battlefield, you are buying and selling, and you are still enjoying the benefits.

Don't be too proud when you are surrounded by a group of people. They surround you because they are lower than you and they try to reach the same height through you. And a person taller than you usually won't stay here.

6. People allow a stranger to get rich, but they can't tolerate the promotion of people around them.

7. Managing your own advantages can add value to your life; Managing your shortcomings will devalue your life.

8. How much love dies in money, and how much friendship falls in interest.

9. The most dangerous thing in this world is to make friends with people with different interests.