The human heart cannot live without joy for a day. [Middle] Hong Yingming: "Cai Gen Tan"

The most outstanding people always exchange pain for happiness. [Germany] Beethoven: "Science? Art? Philosophy"

When life is as light and smooth as a song, it is easy to keep a smile on your face, and you can still smile when everything is going wrong. People are the ones who live a valuable life. [Beauty] Wilcox: "Living Worthy"

Optimistic people are blind, and pessimistic people are painful. [French] J. Cocteau: "Restore Order"

On the stage of life, learn to feel the pain like an actor, and learn to smile at your pain like a bystander. [Chinese] Huang Yin: "Unless You Are Sun Wukong"

I know people think that I am an optimist whose habits are hard to change, which is true. Why? Because I always set my eyes towards success, not failure. Involuntarily, I turned my back to disaster and let go of failed assumptions. This is my philosophy of action. [French] Ferdinand Foch

The habit of seeing the best in everything is worth more than a thousand pounds a year. 〔美〕Jensen

The place where optimism is most prevalent is the lunatic asylum. [English] Ellis

Optimism is the complacency of little people in high positions. [English] F.S. Fitzgerald: "Collapse"

The difference between optimists and pessimists is very interesting: optimists see donuts, pessimists see donuts. What I saw was a hole. [US] M. Wilson: "The Optimist and the Pessimist"

In order to live a happy life, we should believe in the possibility of happiness. [Russian] Tolstoy: "War and Peace"

Optimism is the only secret to health. Frequent worry and anger are enough to turn a healthy body into a weak one. [Russian] Turgenev: "Collected Works of Turgenev"

Always face the sun, so that you will not see cloudy days. [Beauty] Helen Keller: "If You Give Me Three Days of Light"

If you cry in front of someone who wants you to cry, that is failure. The more times like this, the more important it is to laugh and live life tenaciously. [Japan] Miura Ayako: "Freezing Point"

Life is always interesting, even troubles are interesting. [American] Henry Mencken: "Book of Editorials"

Two people looked out from the inside of the same city. One person looks at the soil, while the other person looks at the stars. [Ancient Rome] Friedrich: Lamberlicchi: "Tablets"

Optimists claim that we live on the best of all possible planets, while pessimists fear that this is true.

[US] J.B. Cabell: "Silver Horse"