I would rather live in a world where my life is surrounded by mystery than live in a world so small that my mind could comprehend it.
Mastery of the emotions is fundamental to a virtuous life.
I've learned that even when I have pains, I don't have to be one.
We think too much and feel too little.
Science is the most reliable guide for civilization, for life, for success in the world. Searching a guide other than the science is meaning carelessness, ignorance and heresy.
You can find the entire cosmos lurking in its least remarkable objects.
The doctor of the future will give no medicine, but will interest her or his patients in the care of the human frame, in a proper diet, and in the cause and prevention of disease.
If man limits himself to a satisfied animal existence, and asks from life only what such an existence can give, the higher values of life at once disappear.
The desire to fly is an idea handed down to us by our ancestors who... looked enviously on the birds soaring freely through space... on the infinite highway of the air
There are two things a person should never be angry at, what they can help, and what they cannot.
Being ignorant is not so much a shame, as being unwilling to learn.
It was my care to make my life illustrious not by words more than by deeds.
Be thankful for what you have; you'll end up having more. If you concentrate on what you don't have, you will never, ever have enough
Do not erase the designs the child makes in the soft wax of his inner life.
I think it's much more interesting to live not knowing than to have answers which might be wrong.
Any idiot can face a crisis; it's this day-to-day living that wears you out.
Life is either a daring adventure or nothing. Security is mostly a superstition. It does not exist in nature.
Simplicity is the keynote of all true elegance.
I desire to live in peace and to continue the life I have begun under the motto 'to live well you must live unseen'
Life has its own hidden forces which you can only discover by living.
Nature is not human-hearted.