1, I think therefore I am. Descartes

2. Learning without thinking is useless. -Confucius

3. Thinking is the soul's soliloquy. -Plato

4. Thinking is the greatest pleasure of human beings. Brecht

5, insight, first of all, comes from thinking more and being suspicious. -Rockwell

6. Thinking can form a bridge and lead us to new knowledge. -Planck

7. Thinking makes what we read our own. -Locke

8. People think by nature and speak by rules-Caesar.

9. You can't think without knowledge, and you can't acquire knowledge without thinking-Japan.

10, what you know today will be understood tomorrow. -James Stephens

1 1. It is the most time-saving thing to spend time thinking. -Cousin

12. Intelligence cancels fate. As long as he can think, he is independent. Emerson

13, the development of the thinking world, in a sense, is to constantly get rid of surprises. -Einstein

14, who thinks with his head, and finally has nothing but feelings. -Goethe

15, people should believe that what they don't know can always be understood, otherwise they won't think again. -Goethe

16, greatness is not only earth-shattering in his career, but also often thinks carefully and quietly. -krylov

17, people who don't make up their minds to cultivate the habit of thinking lose the greatest pleasure in life. Edison