The discoveries of yesterday are the truisms of tomorrow, because we can add to our knowledge but cannot subtract from it.

God seems to have left the receiver off the hook and time is running out.

Coincidence may be described as the chance encounter of two unrelated causal chains which - miraculously, it seems - merge into a significant event.

History knows no scruples and no hesitation. Inert and unerring, she flows towards her goal. At every bend in her course she leaves the mud which she carries and the corpses of the drowned.

The temptations of God were always more dangerous for mankind than those of Satan.

Scientists are peeping toms at the keyhole of eternity.

Chemically induced hallucinations, delusions and raptures may be frightening or wonderfully gratifying; in either case they are in the nature of confidence tricks played on one's own nervous system.