Consistent Quote by Seneca the Younger

During periods of relaxation after concentrated intellectual activity, the intuitive mind seems to take over and can produce the sudden clarifying insights which give…

— Fritjof Capra

Intellect has to surrender to instinct when it is time to play.

— Kenny Werner

In order to accommodate to change and to the contrast of phenomena, the intellect does not require any shocks and inner upheavals; it is…

— Georg Simmel

In order to acquire intellect one must need it. One loses it when it is no longer necessary.

— Friedrich Nietzsche

The mind requires regular use to remain strong.

— Napoleon Hill

Social adaptation has to proceed via the intellect.

— Hans Asperger

Idleness and constancy fix the mind to what it finds easy and agreeable. This habit always confines and cramps up our knowledge; and no…

— Francois de La Rochefoucauld

If we analyze the operations of scenes of beauty upon the mind, and consider the intimate relation of the mind upon the nervous system…

— Frederick Law Olmsted

It is requisite for the relaxation of the mind that we make use, from time to time, of playful deeds and jokes.

— Thomas Aquinas

You must maintain strength of body in order to preserve strength of mind.

— Luc de Clapiers

“As I observe the lives of great individuals, I sense that the capacity of the brain is seemingly infinite. Wise men can become even…

— Russell M. Nelson

Remember above all that mental stability comes by examining the contents of the mind, not by avoidence.

— Vernon Howard