My pacifism is an instinctive feeling, a feeling that possesses me because the murder of men is disgusting. My attitude is not derived from any intellectual theory but is based on my deepest antipathy to every kind of cruelty and hatred.
We should take care not to make the intellect our god; it has, of course, powerful muscles, but no personality.
If I could do it all again, I’d be a plumber.
I don’t need to know everything, I just need to know where to find it, when I need it.
Pure mathematics is in its way the poetry of logical ideas.
Now he has departed from this strange world a little ahead of me. That means nothing. People like us, who believe in physics, know that the distinction between past, present, and future is only a stubbornly persistent illusion.
Out of clutter, find simplicity. From discord, find harmony. In the middle of difficulty lies opportunity.
To punish me for my contempt for authority, fate made me an authority myself.
I don’t pretend to understand the universe – it’s much bigger than I am.
I wont cry, it’ll be fine. I’ll take my last breath. Push it out my chest ’til there’s nothing left.
Logic will get you from A to B. Imagination will take you everywhere.
I never think of the future – it comes soon enough.
It is the supreme art of the teacher to awaken joy in creative expression and knowledge.
Never do anything against conscience even if the state demands it.
The most beautiful thing we can experience is the mysterious. It is the source of all true art and science.
Everything that is really great and inspiring is created by the individual who can labor in freedom.
Imagination is more important than knowledge.
Make everything as simple as possible, but not simpler.
Common sense is the collection of prejudices acquired by age eighteen.
Peace cannot be kept by force; it can only be achieved by understanding.