1. The more happiness is shared with others, the more its value increases. ——Seiichi Morimura

2. Happy families are all similar, while unhappy families are each unhappy in their own way. ——Leo Tolstoy

3. No matter how difficult the struggle for happiness is, it is not a pain, but a joy, not a tragedy, but a drama. ——Chernyshevsky

4. People find happiness in fulfilling their duties. It's like a person carrying something on his back, but he feels very comfortable. If a person does not have it and does not perform any duties, it is like driving an empty car, that is, it is wasted. ——Rozov

5. Only by perfecting his contemporaries and working for their happiness can he achieve his own perfection. ——Marx/Marx/

6. If we choose a career that best works for human welfare, then the burden cannot overwhelm us, because this is a sacrifice for everyone; then What we feel will not be poor, limited, selfish pleasure, our happiness will belong to millions of people, our career will exist silently but eternally functional, and in the face of our ashes, nobility People will shed tears. ——Ma/Ke/Si/