There are many famous quotes about ideas, here are some of them:
1. Great ideas can only become feats if they are put into action. ——Mighty Herzli
2. The future will belong to two types of people: those who think and those who work. In fact, these two kinds of people are one kind of people, because thinking is also labor. ——Hugo
3. Thoughts are like birds in the sky. In the cage of language, they may spread their wings, but they cannot fly. ——Kahlil Gibran
4. Thought is the basis of action. It pulls young people to one side, while the actual requirements of life and interests pull them to the other side. In most cases, life always prevails, so most educated young people, after a period of intense youth fascination, embark on a well-trodden path and gradually become accustomed to it. ——Korolenko
5. Civilization is not built by machines but by ideas. ——Tolstoy
6. The question is never how to use your mind to generate new and creative ideas, but how to eliminate old ideas from your mind. ——Dee Hawke
7. It is easier for us to admit mistakes, faults and shortcomings in behavior, but not for errors, faults and shortcomings in thought. ——Goethe
8. Thoughts are the property of those who enjoy them. ——Emerson
9. Thought is the slave of life, and life is the fool of time. ——Shakespeare
10. The heroes we call are not those who conquer with ideas or strength. The heroes I call are only those who have high moral character. ——Romain Rolland
11. Of course we are mentally prepared to regard death as the inevitable destination of life, and therefore agree with this statement: everyone owes nature an account, and everyone has to pay for it. Pay the Debt - Death is natural, undeniable, and inevitable. ——Freud
12. A person who can think is truly a person with boundless power. ——Balzac
13. Thoughts are the foundation, and ideals are the green buds, on which the big trees of human thoughts, activities, behaviors, enthusiasm, and passion grow. ——Suhomlinsky
14. Thought is a wall stronger than anything else, because it will never collapse or be handed over to the enemy's hands. ——Antis Dene
15. Books are ships of thought, sailing through the waves of the times. It is laden with valuable cargo and transported to one generation after another. ——Bacon