Albert Einstein on motivation and goals

I, at any rate, am convinced that He does not throw dice.

Only two things are infinite, the universe and human stupidity, and I’m not sure about the former.

How on earth are you ever going to explain in terms of chemistry and physics so important a biological phenomenon as first love?

A journey of a thousand miles begins with a single step.

Do, or do not. There is no ‘try.’

Never give in⁠—never, never, never, never, in nothing great or small, large or petty, never give in except to convictions of honour and good sense. Never yield to force; never yield to the apparently overwhelming might of the enemy.

Winston Churchill1874–1965Speech given at Harrow School, Harrow, England, October 29, 1941. Quoted in Churchill by Himself (2008), ed. Langworth, PublicAffairs, 2008, p. 23