Do not wish an everlasting spring! Without tasting the winter, you cannot get pleasure out of the spring!

Science is our only hope to be the 'Holy Rope' tying man to the existence.

Birds and the people who love freedom have something common: They must fly freely to feel that they are alive!

The moment you let your courage leave you, you turn to an abandoned old house!

If you are stuck only at your culture, you will miss thousands of good things in other cultures; and more importantly, you will miss many truths!

When you come across with the ideas that you don't like and even hate, do these three things: Be tolerant, be tolerant and be tolerant! Let them speak! Let the stupid and even the fools speak! Protecting freedom of expression under every circumstance is an honour for a man!

What makes a man heavy is the gravity of virtue. Without it, man will be so light that he will be drifted in the winds of immorality.