Here are some Sincerity Quotes to inspire you.
Every man alone is sincere. At the entrance of a second person, hypocrisy begins.
~Ralph Waldo Emerson
The great enemy of clear language is insincerity.
~George Orwell
A little sincerity is a dangerous thing, and a great deal of it is absolutely fatal.
~Oscar Wilde
Enthusiasm is the genius of sincerity and truth accomplishes no victories without it.
~ Edward G. Bulwer-Lytton
We ought to see far enough into a hypocrite to see even his sincerity.
~Thomas Fuller
It is dangerous to be sincere unless you are also stupid.
~George Bernard Shaw
To practice five things under all circumstances constitutes perfect virtue; these five are gravity, generosity of soul, sincerity, earnestness, and kindness.
~Confucius
Insincerity is always weakness; sincerity even in error is strength.
~George Henry Lewes
There is no greater delight than to be conscious of sincerity on self-examination.
~Mencius
The secret of success is sincerity. Once you can fake that you’ve got it made.
~Jean Giraudoux
Sincerity is the highest compliment you can pay.
~Ralph Waldo Emerson
The merit of originality is not novelty; it is sincerity.
~Thomas Carlyle
Smiling away your troubles requires a clear conscience that harbors no insincerity.
~Paramhansa Yogananda
Sincerity is not a spontaneous flower nor is modesty either.
~Sidonie Gabrielle Colette
Always be sincere, whether you mean it or not.
~T Shirt Quotes
If knowledge and foresight are too penetrating and deep, unify them with ease and sincerity.
~Xun Zi
My pessimism goes to the point of suspecting the sincerity of the pessimists.
~Edmond Rostand
An insincere and evil friend is more to be feared than a wild beast; a wild beast may wound your body, but an evil friend will wound your mind.
~Buddha