Well, youth is the period of assumed personalities and disguises. It is the time of the sincerely insincere.
The secret of success is sincerity. Once you can fake that you've got it made.
A little sincerity is a dangerous thing, and a great deal of it is absolutely fatal.
I never tempted her with word too large, But, as a brother to his sister, show'd Bashful sincerity and comely love.
When you are obliged to make a statement that you know will cause displeasure, you must say it with every appearance of sincerity this is the only way to make it palatable.
The hand that rounded Peter's dome, And groined the aisles of Christian Rome, Wrought in a sad sincerity; Himself from God he could not free; He builded better than he knew: The conscious stone to beauty grew.
Sincerity is the way of Heaven.
Hold faithfulness and sincerity as first principles.
My pessimism extends to the point of even suspecting the sincerity of the pessimists.
A friend should be one in whose understanding and virtue we can equally confide, and whose opinion we can value at once for its justness and its sincerity.
When you are obliged to make a statement that you know will cause displeasure, you must say it with every appearance of sincerity; this is the only way to make it palatable.
Sincerity is no substitute for competence. P.E.I. Bonewits
Sincerity? I can fake that. Bill Clinton
I question your sincerity, Lore. Data
Sincerity? I can fake that. Hawkeye Pierce