1. Proficiency comes from hard work but waste from play. Success comes from thinking but failure comes from following. ——Han Yu 2. To learn knowledge, you must be good at thinking, thinking, and thinking again. This is how I became a scientist ——Einstein 3. Wisdom is not the meditation of death, but the contemplation of life. ——Spinoza 4. It is necessary to know that the goal of school should be to cultivate people with independent action and independent thinking. ——Love Einstein 5. The most troublesome thing for most people is thinking hard. ——James Bryce 6. Thinking is one of the greatest pleasures of human beings. ——Brecht 7. Overly calm thinking and lack of emotion Impulse will inevitably lead to psychological abnormality. ——Vasilev 8. To truly think too much, we must be willing to endure and continue that state of doubt. This is the motivation for thorough exploration, so that we will not be confused. Accepting an idea or affirming a belief before showing sufficient reasons. ——John Dewey 9. Talented people who are not good at thinking will definitely end in tragedy. ——Gampard