Agricultural practice served Darwin as the material basis for the elaboration of his theory of Evolution which explained the natural causation of the adaptation we see in the structure of the organic world. That was a great advance in the knowledge of living nature.

Human dignity is better served by embracing knowledge.

Ignorance is bold and knowledge reserved.

For passion be it observed brings insight with it it can give a sort of intelligence to simpletons fools and idiots especially during youth.

Having a sense of humor has served me more than it has hurt me - just in the sense that it has allowed me to keep my sanity.

Humor has been the balm of my life but it's been reserved for those close to me not part of the public Lana.

Humor is a serious thing. I like to think of it as one of our greatest earliest natural resources which must be preserved at all cost.

They who do not understand that a man may be brought to hope that which of all things is the most grievous to him have not observed with sufficient closeness the perversity of the human mind.

So long as I'm Commander-in-Chief we will sustain the strongest military the world has ever known. When you take off the uniform we will serve you as well as you've served us - because no one who fights for this country should have to fight for a job or a roof over their head or the care that they need when they come home.

Introspection and preserved writings give us far more insight into the ways of past humans than we have into the ways of past dinosaurs. For that reason I'm optimistic that we can eventually arrive at convincing explanations for these broadest patterns of human history.