Do not, for one repulse, give up the purpose that you resolved to achieve. (Shakespeare, British dramatist)

Do not, for one repulse, give up the purpose that you resolved to achieve. (Shakespeare, British dramatist)

Don't give up your fantasy. When they are gone, you may still exist, but you have stopped living. (Mark Twain, American writer)

Don't give up your fantasy. When the illusion is gone, you can still exist, but you are still alive. (Mark Twain, American writer)

I want to reveal the secrets of nature and use them for human happiness. In our short life, I don't know what better service there is. (Thomas Edison, American inventor)

I want to reveal the secrets of nature and benefit mankind. In my opinion, there is no better contribution in our short life. (Thomas Edison, American inventor)

Ideal is the guiding light. Without ideals, there is no firm direction; No direction, no life. (Tolstoy, Russian writer)

Ideal is the beacon. Without ideal, there is no secure direction; without direction, there is no life.

(Tolstoy, Russian writer)

If winter comes, can spring be far behind? (Shelley, British poet)

If winter comes, can spring be far behind? (Shelley, British poet)

If you doubt yourself, then indeed you stand on shaky ground. (

(Ibsen, Norwegian dramatist)

If you doubt yourself, then indeed you stand on shaky ground. (Ibsen, Norwegian dramatist)

If you want to go high, use your own legs! Don't let yourself be carried high; Don't sit on other people's backs and heads. (Nietzsche, German philosopher)

If you want to walk high, use your own legs! Don't let others carry you aloft; Don't sit on other people's backs and heads. (Nietzsche, German philosopher). F.W .)