A bartender is just a pharmacist with a limited inventory.

God does not care about our mathematical difficulties. He integrates empirically.

All conditions and all circumstances in our lives are a result of a certain level of thinking. If we want to change the conditions and circumstances, we have to change the level of thinking that is responsible for it.

Imagination is greater than knowledge.

In quitting this strange world he has once again preceded me by a little. That doesn't mean anything. For those of us who believe in physics, this separation between past, present, and future is only an illusion, however tenacious.

One is born into a herd of buffaloes and must be glad if one is not trampled under foot before one's time.

My only refuge, as a serious young man, from the despair of my financial burden to my family, is that I did everything I could to never permit myself any amusements or diversions except those afforded by my studies.