1. A trickle of water can eventually wear away a big stone, not because it is powerful, but because it drops day and night. -Beethoven

2. If you are sincere, the stone will open. -China proverb

3. "Don't shame the last." Even if he is slow, persistent, backward and unsuccessful, he can certainly achieve his desired goal. -Lu Xun

4. Perseverance is often the cause, but impatience is the ruin. I have seen with my own eyes in the desert that travelers in a hurry fall behind calmly; The galloping horse fell behind, and the slow camel continued to move forward. Sadie

5. Repetition is the mother of learning. -Dietzgan

6. Whether it's the singing of beautiful women or the barking of hyenas, whether it's the tears of crocodiles or the howling of wolves, I won't be shaken. Capman