Some people call themselves Christians, they even go to church on sundays, but they don't turn the other cheek and they lay up treasures for themselves in tax havens.
Others pretend that they are optimistic about the future of mankind.
Dishonest people can denounce dishonesty and hypocrites can critizise hypocrisy.
I lie everyday. However, sometimes I don't. I believe that all people are tricksters that occasionally tell the truth.
How do you find out if someone is sincere? What method do you use? And how do you find out if you're lying to yourself?