Physics has found no straight lines. Instead, the physical universe consists of only waves undulating back and forth allowing for corrections and balance.

No man can prove upon awakening that he is the man who he thinks went to bed the night before, or that anything that he recollects is anything other than a convincing dream.

Our little Spaceship Earth is only eight thousand miles in diameter, which is almost a negligible dimension in the great vastness of space.... Spaceship Earth was so extraordinarily well invented and designed that to our knowledge humans have been on board it for two million years not even knowing that they were on board a ship.

Integrity is the essence of everything successful.

The explicable requires the inexplicable. Experience requires the nonexperienceable. The obvious requires the mystical.

By 2000, politics will simply fade away. We will not see any political parties.

Thou mayest as well expect to grow stronger by always eating as wiser by always reading. Too much overcharges Nature, and turns more into disease than nourishment. 'Tis thought and digestion which makes books serviceable, and give health and vigor to the mind.