Men of Science would do well to talk plain English. The most abstruse questions can very well be discussed in our own tongue ... I make a particular appeal to the botanists, who appear to delight in troublesome words.

The amount of sophistication varies according to the quality of the medium, and to the state of the same medium at different times; it must be attributed in the best cases physiologically to the medium, intellectually to the control.

Death is the end of a stage, not the end of the journey. The road stretches on beyond our comprehension.

Death is not a word to fear, any more than birth is.

The properties which differentiate living matter from any kind of inorganic imitation may be instinctively felt, but can hardly be formulated without expert knowledge.

Death is not a foe, but an inevitable adventure.

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.