All observers not laboring under hallucinations of the senses are agreed, or can be made to agree, about facts of sensible experience, through evidence toward which the intellect is merely passive, and over which the individual will and character have no control.

The grinding of the intellect is for most people as painful as a dentist's drill.

To expect the unexpected shows a thoroughly modern intellect.

I can stand brute force, but brute reason is quite unbearable. There is something unfair about its use. It is hitting below the intellect.

My intellect has always been more responsible than my emotions for how I respond to the world.

In short, the time has come for us as American and Iranian citizens to apply our mutual energy, intellect, and goodwill toward strengthening relations between our two countries, as their destinies are intertwined.

The universe is built on a plan the profound symmetry of which is somehow present in the inner structure of our intellect.

The direction and constancy of the will is what really matters, and intellect and feeling are only important insofar as they contribute to that.

The level of potential physical productivity of a society depends on both the development of the intellect of its members, and a minimal standard of both demographic characteristics and of consumption.

Our culture peculiarly honors the act of blaming, which it takes as the sign of virtue and intellect.

The Geometer has the special privilege to carry out, by abstraction, all constructions by means of the intellect. Who, then, would wish to prevent me from freely considering figures hanging on a balance imagined to be at an infinite distance beyond the confines of the world?

On the whole, the psychological work of the last quarter of the nineteenth century emphasized the study of consciousness to the neglect of the total life of intellect and character.

From the lowest animals of which we can affirm intelligence up to man this type of intellect is found.

Human beings are accustomed to think of intellect as the power of having and controlling ideas and of ability to learn as synonymous with ability to have ideas. But learning by having ideas is really one of the rare and isolated events in nature.

The restriction of studies of human intellect and character to studies of conscious states was not without influence on a scientific studies of animal psychology.