1. Fight with your thoughts, instead of being bound by your thoughts. Everyone has his own unique way of thinking. -fidrus

2. The nature of fantasy is rich in the secret of eternal youth. -Zweig

3. It is better to understand a few things than to understand many things thoroughly, but they can all be thorough. -France

4. It can be concluded that the mind, like the body, will be infected with plague if it is a little too comfortable. -Dickens

5. Other animals also have intelligence and enthusiasm, and rationality is only available to humans. -Pythagoras

6. Man's luck lies not in the wealth of visible property, but in the perfection and richness of inner invisible thoughts. -Anacharsis

7. One thought is better than a hundred hasty actions. -anonymous

8. Thinking means: be close to yourself. -Unamuno

9. A scholar who lacks fantasy can only be a good mobile library and a living reference book. He only has knowledge, but he can't create it. -Lessing