Thoughts are like a thread stringing together the pearls of life. Without this thread, the pearls would just be scattered on the ground. ——Qin Mu

Without a clear mind, nothing can be achieved. Once your thoughts are clear, everything will be easily solved. ——Shen Congwen

If you can have free thoughts, you will be able to cooperate with others no matter what the tide is in the future. ——Lu Xun

Thought is an owl flapping its wings at dusk. Only through practice during the day can we sublimate our thoughts at night. ——(Germany) Hegel

A truly great person; his happiness does not lie in how future generations praise him, but in the valuable ideas he created and were treasured by people. Years later, people are still studying his ideas. ——(Germany) Schopenhauer