"The human body is the most complex..." - Quote by Bill Gates

“Online education is pretty special for two reasons. One is that you can get the very best lecture in the world and wherever you are, whenever you want, you can connect to that lecture. The other is this interactivity, where if you know a topic, you can kind of skip over it. Or if you're confused about it, [the area] where you're confused can be analyzed by software.”

“Embrace bad news to learn where you need the most improvement.”

“A first-generation fortune is the most likely to be given away, but once a fortune is inherited it's less likely that a very high percentage will go back to society.”

“What an admirable training is science for the more active warfare of life! Indeed, the unchallenged bravery which these studies imply, is far more impressive than the trumpeted valor of the warrior.”

“Some may still deny the overwhelming judgment of science.”

“Metaphysics is universal and is exclusively concerned with primary substance. ... And here we will have the science to study that which is, both in its essence and in the properties which it has.”

“The wonder of nature does not become smaller because one cannot measure it by the standards of human moral and human aims.”

“There is always more misery among the lower classes than there is humanity in the higher.”

“Friendship is the only cement that will ever hold the world together.”