I found some of his famous quotes:

"Only the most sincerity in the world can defeat the most false in the world; only the most clumsy in the world can defeat the most skillful in the world."

Scholars must first have ambition, secondly have knowledge, and thirdly have perseverance. -- Zeng Guofan

107) All the mediocre people in the world, both ancient and modern, are defeated by one word of laziness. -- Zeng Guofan

108) When everything is extremely difficult, the one who can get through it is the hero. --Zeng Guofan

109) If you have a strong will, a hard work, and a diligent effort, no matter how big or small, you will succeed. -- Zeng Guofan

110) If you are modest, you will not be jealous of others; if you are respectful, you will not be insulted. --Zeng Guofan

111) What is so great about talent? Praise is like the growth of seedlings in the sweet rain, and criticism is like the wilting of frost. --Zeng Guofan

112) When you do something, you must concentrate on it and focus on it. You must be unremitting from beginning to end, and you will not be able to change your mind. --Zeng Guofan

113) Everything requires concentration and specialization, and it is also okay to look at other ways to expand one's knowledge. If you don't have a special sect, if you see different ideas and change your mind, this is a big mistake. --Zeng Guofan

114) Honesty is worn by gold and stone. --Zeng Guofan

115) It is easy to get rid of thieves in the mountains, but it is difficult to get rid of thieves in the heart. --Zeng Guofan

116) Don’t ask for too much hard work, but ask for perseverance. --Zeng Guofan