If we look into ourselves we discover propensities which declare that our intellects have arisen from a lower form; could our minds be made visible we should find them tailed.

Men prefer to believe that they are degenerated angels, rather than elevated apes.

A day will come when the European god of the nineteenth century will be classed with the gods of Olympus and the Nile.

As a single atom man is an enigma: as a whole he is a mathematical problem. As an individual he is a free agent, as a species the offspring of necessity.

What a state of society is this in which freethinker is a term of abuse, and in which doubt is regarded as sin?

Our enlightened posterity will look back upon us who eat oxen and sheep, just as we look upon cannibals.

One fact must be familiar to all those who have any experience of human nature - a sincerely religious man is often an exceedingly bad man.

It is a sure criterion of the civilisation of ancient Egypt that the soldiers did not carry arms except on duty, and that the private citizens did not carry them at all.

Artistic genius is an expansion of monkey imitativeness.

It may safely be asserted that the art of war will soon be reduced to a simple question of expenditure and credit, and that the largest purse will be the strongest arm.

One book that has influenced the writer very strongly is Winwood Reade's Martyrdom of Man...It is still an extraordinarily inspiring presentation of human history as one consistent process.

Whatever games are played with us, we must play no games with ourselves, but deal in our privacy with the last honesty and truth.

Say not the days are evil.Who’s to blame? And fold the hands and say, oh, shame!Stand up! Speak out, and bravely, in God’s name, be strong!

One of the greatest gifts we can give our children is the empowerment to create a life they love, filled with purposeful, enjoyable work, and relationships they hold dear.

Right and wrong are very complicated

Hydrogen is the most common element in the universe, and has the potential to become an inexpensive source of energy for neighborhoods, light and heavy duty vehicles, and industry.

I think it is very important to view life in terms of winning and losing until complete enlightenment has occurred.

Thank heavens, the sun has gone in and I don’t have to go out and enjoy it.

Another good reducing exercise consists in placing both hands against the table edge and pushing back.

I just don't like to drive. I'm not a bad driver, I just don't like to drive.

If we can clean up our world, I'll bet you we can achieve warp drive.