When the wisdom speaks, be quite and listen! When the stupidity speaks, stand up and leave!

A primitive education can only create primitive generations! An outdated mentality will produce merely an outdated minds! The door of the future is closed for such archaic residuals from the pre-modern time of social evolution!

The eagle is wise because he looks everywhere, not somewhere. If you want to raise wise people, raise people who look everywhere, not somewhere! Let them know all the ideas, let them travel on all roads! Let them walk in the light and in the dark! Above all, let them make a habit of doubting what they have been taught!

The universe is the largest, the thickest and the most necessary book! Either we read this book down to the finest detail and consolidate our position in the universe, or we fall upside down like a climber who doesn't take enough precautions against the dangers of the mountain!

When you buy a book at a reasonable price, you buy a new perspective on life, and such a new perspective is priceless because it can open many doors previously closed to you!