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

There are sadistic scientists who hurry to hunt down errors instead of establishing the truth.

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

Stability can only be attained by inactive matter.

It's always good to marry your best friend.

If it takes a hundred years, it will be a pity, but I will not cease to work for it as long as I live.

Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves.

The older one gets, the more one feels that the present must be enjoyed; it is a precious gift, comparable to a state of grace

You can only analyze the data you have. Be strategic about what to gather and how to store it

Now is the time to understand more, so we fear less.

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

Nothing in this world is to be feared... only understood.

I never see what has been done; I only see what remains to be done.

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

First principle: never to let one's self be beaten down by persons or by events.

Be less curious about people and more curious about ideas.

The next Christ will perhaps be a female Christ.

That Religion is not devotion, but work and suffering for the love of God; this is the true doctrine of Mystics.

We set the treatment of bodies so high above the treatment of souls, that the physician occupies a higher place in society than the school-master.