By a lie, a man… annihilates his dignity as a man. – Immanuel Kant
Truly, to tell lies is not honorable;
but when the truth entails tremendous ruin,
To speak dishonorably is pardonable.
Lying increases the creative faculties, expands the ego, and lessens the frictions of social contacts.
Clare Booth Luce
People do not believe lies because they have to, but because they want to.
He who speaks the truth must have one foot in the stirrup.
and, last but not least
The world desires to be deceived; therefore it is