There are two primary choices in life: to accept conditions as they exist, or accept the responsibility for changing them.

Intelligence is the ability to adapt to change.

It's not what you are that holds you back, it's what you think you are not.

I am not an Athenian or a Greek, but a citizen of the world.

Death may be the greatest of all human blessings.

If you think we can't change the world, it just means you're not one of those what will.

Everyone thinks of changing the world, but no one thinks of changing himself.

Strong minds discuss ideas, average minds discuss events, weak minds discuss people

Education is the most powerful weapon which you can use to change the world.