First, even if it is really good, when we can't get it, we shouldn't be anxious for it. Sooner or later, everyone has to face the great abandonment.

from: [British] Russell's Worship of a Free Man

Introduction: Bertrand Russell (1872-197), British philosopher, mathematician, logician, historian and writer.

second, for young people, nothing is impossible. They can't believe that it will still be impossible to desire something with all their fanatical willpower. However, due to death, disease, poverty and responsibility, each of us must learn to know that the world was not made for us, and that no matter how beautiful what we desire, fate may prohibit us from obtaining it.

from: [English] Russell's Worship of a Free Man

Third, people who make love get love: people who give up their friendship have friends; He who makes every effort to create happiness is happy.

from: [France] Mo Luoa's Five Major Problems in Life on Happiness

Fourth, moving in one direction almost always comes at the expense of retreating in the other direction.

[France] Romain Rolland's Mother and Son

Introduction: romain rolland (January 29, 1866-December 3, 1944), born in Clancy, France in 1866, is a thinker, writer, critical realist writer, music critic, social activist and winner of Nobel Prize in Literature in 1915.

5. When to do something, sometimes you have to throw away the stone, and sometimes you have to pick it up.

from: [English] The Story of Random by Smollett.