2. Human existence (self-existence), that is, human freedom, human action and human choice. "Man first exists, meets himself, rises in this world, and then defines himself", "Man is nothing but what he has made himself".

3. Everything in the world becomes an instrumental thing and has essence and significance because of people and freedom.

4. Sartre thinks everything is accidental, and he opposes inevitability. Sartre emphasized that man came into the world by accident, that man endowed freedom with meaning by accident, and that man was the root of all contingency, which meant to deny inevitability with contingency, and that man's freedom was not limited by necessity and was absolutely supreme.

5. People's birth is completely accidental, and people's existence is not planned according to some pre-designed route. They should be "free" to be the masters of their own lives, and they should fully participate in the society in which they live and decide their own destiny by their own actions.

6. Self-care will always create the past, but it will always be revealed by the future. Anyone, his past and his essence are created by his actions. But these are completely meaningless to him now, because there is "absolute heterogeneity" between the past and the present, which is completely broken.

7. The meaning of the present cannot be found in the past, but only in the future. People always face the future with anxiety and expectation. What meaning a person's past can produce depends on his choice of facing the future now.

8. The past is produced by the present, and the present is produced by the future. What is the future?

the future is now.

9. A concrete person always takes the future as the starting point.

1. Sartre wants people to make free choices and take responsibility for them on the basis of understanding their abilities. Know how to admit the limitation of human ability and try to do what can be achieved.

11. People are absolutely free. People's actions constitute everything. People's choices determine all values, so people are responsible for themselves.

12. The value of life is to struggle tenaciously with the absurd world and the nihilistic life.

13. Others influenced my choice. "Others are hell" became Sartre's famous saying.

14. We are often involuntarily in reality, and this obstacle is the eyes of "others". The gaze of "others" is terrible. It interferes with my choice unscrupulously, making me hesitate when I choose, and even being forced to make a choice I didn't want.

15. Sartre clearly expressed the view that "others are the root of conflict". Under the gaze of others, my existence is in conflict with the world.

16. If we give up our self-choice and get caught up in the eyes and comments of others, and regard it as the only criterion for judging ourselves and knowing ourselves, what is the difference between us and the walking dead? Sartre pointed out the road to freedom for us, that is, active self-choice.

17. First of all, if the ego can't treat the eyes of others correctly, then others are the hell of the ego. If you deliberately worsen your relationship with others, then you have to bear the pain of hell.

18. Secondly, if you can't treat others' comments correctly, then others' comments on you are your own hell.

19. Finally, if the ego can't treat itself correctly, then the ego is its own hell. When we make mistakes, we always look for reasons from the surrounding environment, or look for objective reasons, or put the mistakes on others, but we can't see our own mistakes.

2. Time is like water in a sponge. You can always squeeze it.