Everything is vague to a degree you do not realize till you have tried to make it precise.

Dream lofty dreams, and as you dream, so you shall become. Your vision is the promise of what you shall one day be; your ideal is the prophecy of what you shall at last unveil.

The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew.

There is an eloquence in true enthusiasm.

Reputation is what men and women think of us; character is what God and angels know of us.

One must judge men not by their opinions, but by what their opinions have made of them.

I will not let anyone walk through my mind with their dirty feet.

When a man is tired of London, he is tired of life; for there is in London all that life can afford.

The only thing worse than being blind is having sight but no vision.

Self-esteem comes from being able to define the world in your own terms and refusing to abide by the judgments of others.

A scientific man ought to have no wishes, no affections, - a mere heart of stone.

I want to go ahead of Father Time with a scythe of my own.

Common sense is not so common.

Dare to risk public criticism.

The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.

You’ll miss the best things if you keep your eyes shut.

I could see that, if not actually disgruntled, he was far from being gruntled.

If you follow every dream, you might get lost.

It is a good rule in life never to apologize. The right sort of people do not want apologies, and the wrong sort take a mean advantage of them.

Never lend your car to someone you've given birth to.

Prayer does not change God, but it changes him who prays.