If A is a success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut

The scientist is activated by a wonder and awe before the mysterious comprehensibility of the universe which is yet finally beyond his grasp. In its profoundest depths it is inaccessible to man.

I am exclusively occupied with the problem of gravitation and hope with the help of a local mathematician friend [Marcel Grossman] to overcome all the difficulties. One thing is certain, however, that never in life have I been quite so tormented. A great respect for mathematics has been instilled within me, the subtler aspects of which, in my stupidity, I regarded until now as pure luxury.

The important things are always simple.

Each possession I own is but a stone around my neck.

I have yet to figure out whether it is I am that am crazy, or the world.

Most people stop looking when they find the proverbial needle in the haystack. I would continue looking to see if there were other needles.