They say that time changes things, but you actually have to change them yourself.

Life is either a daring adventure or nothing at all.

There ought to be something very special about the boundary conditions of the universe, and what can be more special than that there is no boundary?

Success is not about the destination; it's about the journey of self-discovery and personal growth.

Education does not consist in stuffing a child's head with facts.

Remember always that you not only have the right to be an individual, you have an obligation to be one.

How wonderful it is that nobody need wait a single moment before starting to improve the world.