“You must never be fearful of what you are doing when it is right.”

We must keep our certainty that after the bad days the good times will come again.

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

It was like a new world opened to me, the world of science, which I was at last permitted to know in all liberty.

A scientist in his laboratory is not a mere technician: he is also a child confronting natural phenomena that impress him as though they were fairy tales.

You will find that one special love that you know is right but for some reason just doesn’t last.

Be less curious about people and more curious about ideas.

In science, we must be interested in things, not in persons.

You cannot hope to build a better world without improving the individuals.

Life is not easy for any for us.

I am among those who think that science has great beauty.

It is my earnest desire that some of you should carry on this scientific work and keep for your ambition the determination to make a permanent contribution to science.

All my life through, the new sights of nature made me rejoice like a child.

More and more, I feel the need for a house and a garden.

All that I saw and learned was a new delight to me.

Radium is not to enrich any one. It is an element; it is for all people.

The older one gets, the more one feels that the present moment must be enjoyed, comparable to a state of grace.

There are some ideas so absurd that only an intellectual could believe them.

Despite everything, I believe that people are really good at heart.

Commitment is a big part of what I am and what I believe.

Three rules: I do not eat too much; I do not worry too much; and, if I do my best, I believe that what happens, happens for the best.

I don’t believe in accidents. There are only encounters in history. There are no accidents.

It is important to remember that we all have magic inside us.

To believe in love, to be ready to give up anything for it, to be willing to risk your life for it, is the ultimate tragedy.

I believe in the kindness of strangers. And when I’m at war with myself I ride, I just ride.