Creativity is intelligence having fun.

Concerning matter, we have been all wrong. What we have called matter is energy, whose vibration has been so lowered as to be perceptible to the senses. There is no matter.

For an idea which, at first, does not seem absurd, there is no hope.

Concepts that have proven useful in ordering things easily achieve such authority over us that we forget their earthly origins and accept them as unalterable givens.

I think that only daring speculation can lead us further and not accumulation of facts.

I'm more interested in the future than in the past, because the future is where I intend to live.

Matter is spirit reduced to point of visibility.