1. Only a broad and intelligent mind can always discover the feeling of friendship. - Heinrich Heine
2. As long as you are pure and honest, always representing diligence, and thinking more of others, success in life is assured. - Mark Twain
3. Do not trust the reproaches of conscience; they will lead you far. Unreasonable fidelity descends like the stairs of a cellar. Down one step, two steps, and until you have descended one more, you are in the darkness. The wise turn back and go up, the naive remain there. - Victor Hugo, "The Man Who Laughs"
4. Kind-hearted people and imaginative people aggregate more easily than cold and cruel ones. - Samuel Johnson
5. True friendship requires maintaining a certain distance. Only with distance can there be respect; only with respect can friendship last forever. - You Jin
6. Friendship in past life was like a bright lamp, illuminating my soul and giving my existence a little brilliance. - Ba Jin
7. The voices of people pouring out their hearts are gentler, truer, and can be absolutely trusted. It can be firmly confirmed that, besides giving the most intimate advice, it has nothing else. - Charles Dickens, "A Christmas Carol"
8. A devout beginning brings a beautiful end. - Victor Hugo, "Luigi Brasa"
9. Utility is the purpose of a machine and the basis for testing its value, while kindness is merely the purpose and will of man. - Rabindranath Tagore, "Nationalism"
10. You must be faithful to yourself; just as there is night because there is day, being faithful to yourself ensures you will not deceive others. - Shakespeare, "Hamlet"
11. One who cannot conquer another with tenderness cannot conquer them with beating either. - Anton Chekhov
12. If you want to live happily, pray to God, and be an honest person, then you must keep your promises. - Charles Dickens, "Bleak House"
13. Do not do evil because it is small, do not refrain from good because it is small. - Chen Shou
14. An unwelcome guest is only most popular after saying goodbye. - Shakespeare
15. Showing indifference to the joy of others is an insult to them. - Marguerite Yourcenar
16. Friendship that grows inch by inch like an oak is more reliable than friendship that springs up suddenly like a melon vine. - Charlotte Brontë
17. Kind-hearted people and imaginative people aggregate more easily than cold and cruel ones. - Samuel Johnson
18. The greatest effort in friendship is not to show our flaws to a friend, but to help him see his own. - La Rochefoucauld
Do not reveal your heart to someone until you have thoroughly understood their character. - Balzac