The scientific imagination always restrains itself within the limits of probability.

Memories, imagination, old sentiments, and associations are more readily reached through the sense of smell than through any other channel.

The degree in which a poet's imagination dominates reality is, in the end, the exact measure of his importance and dignity.

A nickname is the heaviest stone that the devil can throw at a man. It is a bugbear to the imagination, and, though we do not believe in it, it still haunts our apprehensions.

Every great advance in science has issued from a new audacity of imagination.