Someone has said that it requires less mental effort to condemn than to think.
Emma Goldman

Virtue rejects facility to be her companion. She requires a craggy, rough and thorny way.
Michel de Montaigne

The public weal requires that men should betray, and lie, and massacre.
Michel de Montaigne

There are two ways to extend a business. Take inventory of what you're good at and extend out from your skills. Or determine what your customers need and work backward, even if it requires learning new skills. Kindle is an example of working backward.
Jeff Bezos

The mother-child relationship is paradoxical and, in a sense, tragic. It requires the most intense love on the mother's side, yet this very love must help the child grow away from the mother, and to become fully independent.
Erich Fromm

Just as modern mass production requires the standardization of commodities, so the social process requires standardization of man, and this standardization is called equality.
Erich Fromm

Creativity requires the courage to let go of certainties.
Erich Fromm

To be an atheist requires an indefinitely greater measure of faith than to recieve all the great truths which atheism would deny.
Joseph Addison

All science requires mathematics. The knowledge of mathematical things is almost innate in us. This is the easiest of sciences, a fact which is obvious in that no one's brain rejects it; for laymen and people who are utterly illiterate know how to count and reckon.
Roger Bacon

Art requires philosophy, just as philosophy requires art. Otherwise, what would become of beauty?
Paul Gauguin

Cruelty, like every other vice, requires no motive outside of itself; it only requires opportunity.
George Eliot

To think Being itself explicitly requires disregarding Being to the extent that it is only grounded and interpreted in terms of beings and for beings as their ground, as in all metaphysics.
Martin Heidegger

In some cases non-violence requires more militancy than violence.
Cesar Chavez

To be idle requires a strong sense of personal identity.
Robert Louis Stevenson

Happiness is a choice that requires effort at times.
Aeschylus

It does not take much strength to do things, but it requires great strength to decide on what to do.
Elbert Hubbard

It is essential to employ, trust, and reward those whose perspective, ability, and judgment are radically different from yours. It is also rare, for it requires uncommon humility, tolerance, and wisdom.
Dee Hock

Every act of conscious learning requires the willingness to suffer an injury to one's self-esteem. That is why young children, before they are aware of their own self-importance, learn so easily.
Thomas Szasz

Clear thinking requires courage rather than intelligence.
Thomas Szasz

The act of writing requires a constant plunging back into the shadow of the past where time hovers ghostlike.
Ralph Ellison