“It is easy to get everything you want, provided you first learn to do without the things you cannot get.”

Business is a fight, a continual struggle, just as life is.

Pray that success will not come any faster than you are able to endure it.

Many people fail in life, not for lack of ability or brains or even courage but simply because they have never organized their energies around a goal.

Be pleasant until ten o’clock in the morning and the rest of the day will take care of itself.

If it was woman who put man out of Paradise, it is still woman, and woman only, who can lead him back.

The man who has no problems is out of the game.

I do not read a book; I hold a conversation with the author.

Failure — The man who can tell others what to do and how to do it, but never does it himself.

We work to become, not to acquire.

If you want work well done, select a busy man – the other kind has no time.

One machine can do the work of fifty ordinary men. No machine can do the work of one extraordinary man.

The supernatural is the natural not yet understood.

The love we give away is the only love we keep.

I wish to live without hate, whim, jealousy, envy, and fear. I wish to be simple, honest, frank, natural . . to face any obstacle and meet every difficulty unabashed and unafraid.

The worst thing about medicine is that one kind makes another necessary

A retentive memory may be a good thing, but the ability to forget is the true token of greatness.

Hate to sound sleazy, but tease me, I don’t want it if it’s that easy.

It is easy to go down into Hell but to climb back again, to retrace one’s steps to the upper air – there’s the rub.

Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something, and that this thing, at whatever cost, must be attained.

I was taught that the way of progress was neither swift nor easy.

I’ve been a fortunate man in life, nothing has come easily.

I have frequently been questioned, especially by women, of how I could reconcile family life with a scientific career. Well, it has not been easy.

Some may consider this a problem, I easily fall in love

It’s easier to accept the fact that you’re just not good enough. We all have a lot more than we think we have.