And yet they lie all the time, both when they wish to lie and when they wish to speak the truth. They lie all the time, both to themselves and to oth… - Petr Uspensky

We cannot know the truth but we can pretend that we know. And this is lying. Lying fills all our life. People pretend that they know all sorts of things: about God, about the future life, about the universe, about the origin of man, about evolution, about everything; but in reality they do not know anything, even about themselves. And every time they speak about something they do not know as though they knew it, they lie.

"A man easily admits his incompetency in music, dancing, or higher mathematics, but he always maintains the privilege of having an opinion and being a judge of questions relating to "first principles.

Desire is when you do what you want, will is when you can do what you do not want.