There is nothing more frightful than ignorance in action.
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.
Life is made up of marble and mud.
Each life makes its own immitation of immortality.
Only he who accepts clashes and conflicts in life, loves life.
I am an American; free born and free bred, where I acknowledge no man as my superior, except for his own worth, or as my inferior, except for his own demerit.
We can allow satellites, planets, suns, universe, nay whole systems of universes, to be governed by laws, but the smallest insect, we wish to be created at once by special act.
Within the child lies the fate of the future.
We cannot live better than in seeking to become better.
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
Being a hero is about the shortest-lived profession on earth.
Any place I hang my head is home.
The essence of life is statistical improbability on a colossal scale.
My life didn't please me, so I created my life.
He who has a why to live can bear with almost any how.
To cherish what remains of the Earth and to foster its renewal is our only legitimate hope of survival.
The gratification of wealth is not found in mere possession or in lavish expenditure, but in its wise application.
I can't help thinking that there are only one or two ways of being brought into this world, but there are so many fucked-up ways of leaving it.
Don't own so much clutter that you will be relieved to see your house catch fire.
Time is the best killer.
Until you value yourself, you won't value your time. Until you value your time, you will not do anything with it.