Knowledge without conscience is but the ruin of the soul.

Science sans conscience n' est que le ruine de l'âme. Knowledge without conscience is but the ruine of the soule.

— Francois Rabelais

Sentiment without action is the ruin of the soul.

— Edward Abbey

“And if you ruin it I own your soul.”

— Kelly Creagh

Conscience signifies that knowledge which a man hath of his own thoughts and actions; and because, if a man judgeth fairly of his actions…

— Jonathan Swift

“Thou knowest that these things which I say are true, and that I was never delighted in my own praise, for the secret of…

— Boethius D. 524

A clear conscience is the softest pillow in the world.

— N. R. Narayana Murthy

A clere conscience is a sure carde.

— John Lyly

[D]on't grow old. With age comes caution, which is another name for cowardice… Whatever else you do in life, don't cultivate a conscience. Without…

— Hesketh Pearson

Never can true courage dwell with them, Who, playing tricks with conscience, dare not look At their own vices.

— Samuel Taylor Coleridge

“If we cannot be happy and powerful and prey on others, we invent conscience and prey on ourselves.”

— Elbert Hubbard

Making money doesn't oblige people to forfeit their honor or their conscience.

— Guy de Rothschild

Let us be thankful for health and competence, and, above all, for a quiet conscience.

— Izaak Walton

My conscience is really active. So I feel bad about spending excess amount of money on things.

— Syd

Writing adds up to the conscience of our times.

— Martin Firrell

Self-respect and a clear conscience are powerful components of integrity and are the basis for enriching your relationships with others.

— Denis Waitley