There is one thing alone that stands the brunt of life throughout its course: a quiet conscience.
Seven social sins: politics without principles, wealth without work, pleasure without conscience, knowledge without character, commerce without morality, science without humanity, and worship without sacrifice.
I cannot and will not cut my conscience to fit this year's fashions.
The market has no morality.
If we cannot be powerful and happy and prey on others, we invent conscience and prey on ourselves.
I think middle age is the best time, if we can escape the fatty degeneration of the conscience which often sets in at about fifty.
The one thing that doesn't abide by majority rule is a person's conscience.
Of all tyrannies, a tyranny sincerely exercised for the good of its victims may be the most oppressive. It would be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated; but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience.
In many walks of life, a conscience is a more expensive encumbrance than a wife or a carriage.
A peace above all earthly dignities,
A still and quiet conscience.
Most people sell their souls and live with a good conscience on the proceeds.
Trust that man in nothing who has not a conscience in everything.
An uneasy conscience is a hair in the mouth.
Good friends, good books and a sleepy conscience: this is the ideal life.
Look to your health; and if you have it, praise God, and value it next to a good conscience; for health is the second blessing that we mortals are capable of; a blessing that money cannot buy.