A fish probably has no means of apprehending the existence of water; it is too deeply immersed in it.

Life must be considered sui generis; it is not a form of energy, nor can it be expressed in terms of something else.

But although life is not energy, any more than it is matter, yet it directs energy and thereby controls arrangements of matter.

The old series of sittings with Mrs. Piper convinced me of survival for reasons which I should find it hard to formulate in any strict fashion, but that was their distinct effect.

The discovery which has been pointed to by theory is always one of profound interest and importance, but it is usually the close and crown of a long and fruitful period, whereas the discovery which comes as a puzzle and surprise usually marks a fresh epoch and opens a new chapter in science.

In other cases, when the medium becomes entranced, the demonstration of a communicator's separate intelligence may become stronger and the sophistication less.

Death is not a foe, but an inevitable adventure.