It is easy to replace man, and it will take no great time, when Nature has lapsed, to replace Nature.

We talk of sunshine and moonshine, but not of cloud-shine, which is yet one of the illuminations of our skies. A shining cloud is one of the most majestic of all secondary lights.

Happiness is not a matter of events; it depends upon the tides of the mind.

There is nothing in the world more peaceful than apple - leaves with an early moon.

If there is a look of human eyes that tells of perpetual loneliness, so there is also the familiar look that is the sign of perpetual crowds.

The sense of humor has other things to do than to make itself conspicuous in the act of laughter.

Assuredly it would be a pity if laughter should ever become, like rhetoric and the arts, a habit.

My day-mind can endure / Upright, in hope, all it must undergo. / But O, afraid, unsure, / My night-mind waking lies too low, too low.

A child is beset with long traditions. And his infancy is so old, so old, that the mere adding of years in the life to follow will not seem to throw it further back -- it is already so far.

I come from nothing: but from where come the undying thoughts I bear?

Rich meanings of the prophet-Spring adorn, / Unseen, this colorless sky of folded showers, / And folded winds...

The most important duty of a teacher is to not only teach but to also inspire and enhance the desire for learning.

Commandments are the railroad tracks on which the life empowered by the love of God poured into the heart by the Holy Spirit runs. Love empowers the engine

This thing was what existed before life, before the first stars, before the big bang. It was the emptiness before the universe, and the emptiness that would follow.

It's important for someone who could play the game - and win - to say: 'the game isn't worth shit.

To exploit living labour, capital must destroy dead labour which is still useful. Loving to suck warm young blood, it kills corpses.

I explained to him I had simple tastes and didn't want anything ostentatious no matter what it costs.

I take advantage of every thing I can - age, hair, disability - because my cause is just.

The electron is a theory we use; it is so useful in understanding the way nature works that we can almost call it real.

Music and improving the world are two sides of the same coin.

And if any work that I have done should have value beyond my own lifetime, I believe it will be the happy labors of the decade 1869-1878.