Injustice upon earth renders the justice of of heaven impossible.

Argument cannot be answered with insults. Kindness is strength; anger blows out the lamp of the mind.

The history of intellectual progress is written in the lives of infidels.

If the people were a little more ignorant, astrology would flourish - if a little more enlightened, religion would perish.

All I have to say is, Love one another - that is the height of all philosophy. It is beyond all religions. It is the secret of joy - the fountain of Perpetual Youth - the only rainbow on life's dark cloud.

Spirituality for the most part is a mask worn by idleness, arrogance and greed.

If a man would follow, today, the teachings of the Old Testament, he would be a criminal. If he would follow strictly the teachings of the New, he would be insane.