Poverty is not inevitable; it's a solvable problem.

Intelligence is what you use when you don't know what to do.

Pain is temporary. It may last a minute, or an hour, or a day, or a year, but eventually it will subside and something else will take its place. If I quit, however, it lasts forever.

The rule of the wild is survival of the fittest.

The whole art of teaching is only the art of awakening the natural curiosity of young minds for the purpose of satisfying it afterwards.

To build is to take a stand in the world.