I am not sincere, even when I say I am not.
My pessimism extends to the point of even suspecting the sincerity of the pessimists.
The true hypocrite is the one who ceases to perceive his deception, the one who lies with sincerity.
I dare say anything can be made holy by being sincerely worshiped.
It is dangerous to be sincere unless you are also stupid.
—George Bernard Shaw
The secret of success is sincerity. Once you can fake that you've got it made.
Judge thyself with the judgment of sincerity, and thou will judge others with the judgment of charity.
—John Mitchell Mason
Sincerity is the way of Heaven.
A little sincerity is a dangerous thing, and a great deal of it is absolutely fatal.
Sincerity is the surest road to confidence.
—David Lloyd George