Obscenity is whatever happens to shock some elderly and ignorant magistrate.

Through the greatness of the universe, which philosophy contemplates, the mind also is rendered great, and becomes capable of that union with the universe which constitutes its highest good.

The discipline in your life should be one determined by your own desires and your own needs, not put upon you by society or authority.

From that awful encounter of the soul with the outer world, enunciation, wisdom, and charity are born; and with their birth a new life begins. To take into the inmost shrine of the soul the irresistible forces whose puppets we seem to be - Death and change, the irrevocableness of the past, and the powerlessness of Man before the blind hurry of the universe from vanity to vanity - to feel these things and know them is to conquer them.

Fundamental happiness depends more than anything else upon what may be called a friendly interest in persons and things.

I used, when I was younger, to take my holidays walking. I would cover 25 miles a day, and when the evening came I had no need of anything to keep me from boredom, since the delight of sitting amply sufficed.

What Galileo and Newton were to the seventeenth century, Darwin was to the nineteenth.