It is equally important to learn from experience and from books.

Life is the greatest teacher because it educates even those who really hate to learn.

Knowledge can be acquired by education, reading, communicating and observing, but also simply by living.

The universal mission of all educators is to let the torch of knowledge illuminate the world.

It is impossible to avoid failures in life. Don't be afraid of them. Consider rather how to learn from your own failures.

Spreading knowledge is the most effective weapon for defeating ignorance.