1. There is no cosmetic in the world that can make people more beautiful than happiness. ——Bretton

2. The only way to get wisdom is to buy it with youth. ——Jack London

3. Sadness can be taken care of by oneself; however, if you want to fully appreciate the taste of joy, you need someone to share it. ——Mark Twain

4. Personal pain and joy must be integrated into the pain and joy of the times. ——Ai Qing

5. Every life must be joyful. Worry will lead to disobedience, anger will lead to misbehavior. There is no place for sadness, happiness and anger. If love desires tranquility, if it encounters chaos, it should not be led away or destroyed, and blessings will return on their own. ——Guan Zhong

6. The length of life is calculated by time, and the value of life is calculated by contribution. Seeking happiness from material consumption is the real sorrow of life. ——Petofi

7. As long as you can regard falsehood as true, then sincere laughter will follow, which can almost have the same effect as true laughter. ——Annit Gudanhat

8. Happiness is a luxury. To enjoy it, the indispensable condition is that you have no worries. If you are uneasy - even slightly threatened - your happiness will evaporate immediately. ——Stendhal

9. People who have toothache think that there is one kind of person in the world who is the happiest, and that is a person who does not have toothache. ——Bernard Shaw

10. If you want others to be happy, you must first be happy yourself. To spread sunshine into the hearts of others, you must first have sunshine in your own heart. ——Romain Rolland