mind Quotes

The energy or active exercise of the mind constitutes life.

Thinking is different from perceiving and is held to be in part imagination, in part judgment

But if nothing but soul, or in soul mind, is qualified to count, it is impossible for there to be time unless there is soul, but only that of which time is an attribute, i.e. if change can exist without... ...

There also appears to be another element in the soul, which, though irrational, yet in a manner participates in rational principle.

No great mind has ever existed without a touch of madness.

He who cannot see the truth for himself, nor, hearing it from others, store it away in his mind, that man is utterly worthless.

If thinking is like perceiving, it must be either a process in which the soul is acted upon by what is capable of being thought, or a process different from but analogous to that. The thinking part of the soul... ...

The body is most fully developed from thirty to thirty-five years of age, the mind at about forty-nine.

Opinion involves belief (for without belief in what we opine we cannot have an opinion), and in the brutes though we often find imagination we never find belief.

In order to be effective you need not only virtue but also mental strength.