1. I think, therefore I am. ——Descartes

2. Existence is reasonable, and everything that is reasonable must exist. ——Hegel

3. Man follows the earth, earth follows the sky, heaven follows the Tao, and Tao follows nature. ——Laozi

4. Human beings are first of all creatures who push themselves towards a future and know that they are doing just that. ——Sartre

5. If the history of evolution were to repeat itself, the probability of human beings appearing would be zero. ——Goodell

6. There are no two identical leaves in the world. ——Leibniz

7. Material determines consciousness. ——Marx

8. There are no objects, only movement. ——Bergson

9. To exist is to be perceived. ——Berkeley

10. Thinking is the thinking of being,...Thinking is the thinking of being, because thinking occurs because of being and belongs to being. At the same time, thinking is present, because thinking belongs to being and obeys being. ——Heidegger

11. The most lasting thing to think about is the road. ——Heidegger

12. People are full of achievements, but they still live poetically on the earth. ——Holderlin

13. The world is the sum of facts, not the sum of things. ——Wittgenstein

14. Human consciousness succumbs to materialized structures. ——Lukács

15. Philosophers just explain the world in different ways, but the problem is to change the world. ——Marx

16. Scientists give us order in our thoughts; morality gives us order in our actions; art gives us order in the grasp of visible, touchable, and audible appearances. . ——Cassir

17. The meaning of an object is determined by the direction in which it is seen by oneself. ——Merleau-Ponty

18. Thought does not come when you want it to, but it determines its own coming and going. ——Schopenhauer

19. I know nothing except the fact that I am ignorant. ——Socrates

20. At every moment of existence, people are passive tools in the grasp of necessity. ——Holbach

21. As a moment, it is of course short-lived... However, it is decisive and full of eternity. ——Kierkegaard

22. Happiness means no pain in the body and no disturbance in the soul. ——Yibi Julu

23. I cannot provide myself or others with the ordinary happiness in daily life. This kind of happiness meant nothing to me, and I couldn't organize my life around it. ——Foucault

24. The scientific language game hopes to make its statement the truth, but it is unable to legitimize the truth it proposes on its own. ——Lyotard

25. As long as any kind of philosophical thought can justify itself, it has some kind of real knowledge. ——Russell

26. In everything, the essential characteristics of beauty and goodness are consistent, because they are based on the same form, so goodness is praised as beauty by us.

——Thomas Aquinas