Every great advance in science has issued from a new audacity of imagination.

Our heads are round so thought can change direction

If I find some reason for doubt in each of my beliefs$$$ that will be enough to reject all of them.

The dreams we imagine when we are asleep should not in any way make us doubt the truth of the thoughts we have when we are awake.

But in my opinion$$$ all things in nature occur mathematically.

My best friend is the one who brings out the best in me.

Danger gleams like sunshine to a brave man's eyes.

Circumstances don't make the man$$$ they only reveal him to himself.

Quick decision makers are often stuck behind annoying people in line at Starbucks.

You're never too old to play. You're only too old for low-rise jeans.