Strange as it may seem, the power of mathematics rests on its evasion of all
unnecessary thought, and on its wonderful saving of mental operations.

Strange as it may seem, the power of mathematics rests on its evasion of all unnecessary thought, and on its wonderful saving of mental operations.

Science always has its origin in the adaptation of thought to some definite field of experience.

Man is pre-eminently endowed with the power of voluntarily and consciously determining his own point of view.

Similarly, many a young man, hearing for the first time of the refraction of stellar light, has thought that doubt was cast on the whole of astronomy, whereas nothing is required but an easily effected and unimportant correction to put everything right again.

Without renouncing the support of physics, it is possible for the physiology of the senses, not only to pursue its own course of development, but also to afford to physical science itself powerful assistance.