“What one man can invent, another can discover.”

When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth.

I wanted to end the world, but I’ll settle for ending yours.

It’s every man’s business to see justice done.

It has long been an axiom of mine that the little things are infinitely the most important.

I never can resist a touch of the dramatic.

I am a brain, The rest of me is a mere appendix.

We would not dare to conceive the things which are really mere common places of existence.

A man should keep his little brain attic stocked with all the furniture that he is likely to use, and the rest he can put away in the lumber room of his library, where he can get it if he wants it.

Evil indeed is the man who has not one woman to mourn him.

There is danger for him who taketh the tiger cub, and danger also for whoso snatches a delusion from a woman.

Of all ruins, that of a noble mind is the most deplorable.

If i could be assured of your destruction, i would in the interest of the public, cheerfully accept my death.

When a doctor does go wrong he is the first of criminals.

A change of work is the best rest.

There are times, young fellah, when every one of us must make a stand for human right and justice, or you never feel clean again.

Mediocrity knows nothing higher than itself; but talent instantly recognizes genius.

Long before morning I knew that what I was seeking to discover was a thing I’d always known. That all courage was a form of constancy. That it is always himself that the coward abandoned first. After this all other betrayals come easily.

Though you may be last to discover your follies, be always first to correct them.

We had avoided discovery by the Sioux scouts, and we were confident of giving them a complete surprise.

To make discoveries, you have to be curious about why the universe is the way it is.

As you discover what strength you can draw from your community in this world from which it stands apart, look outward as well as inward. Build bridges instead of walls.

The most exciting phrase to hear in science, the one that heralds new discoveries, is not ‘Eureka!’ but ‘That’s funny.’

The man of character, sensitive to the meaning of what he is doing, will know how to discover the ethical paths in the maze of possible behavior.

Ben Franklin may have discovered electricity- but it is the man who invented the meter who made the money.