The lies we tell ourselves are the most subtle of all lies.
To forget one's purpose is the commonest form of stupidity.
There is more stupidity than hydrogen in the universe, and it has a longer shelf life.
The human mind has an infinite capacity for self-deception.
I was ill, and everyone could see it but me.
Human stupidity is international.
Most of humanity, he said, have eyes that are so caked shut with the dust of deception they will never see the truth, no matter who tries to help them.
How wretched are the minds of men, and how blind their understandings. [Lat., O miseras hominum menteis! oh, pectora caeca!]
We often do not see what we do not expect to see.
While this has been recognized in politics, it is a factor in scientific research as well.
No man was ever so much deceived by another as by himself.
Of all the causes which conspire to blind Man's erring judgement, and misguide the mind, What the weak head with strongest bias rules, Is PRIDE, the never-failing vice of fools.
What ignorance there is in human minds.
When you read something you have written, you have to confront some of the lies you have been telling yourself.
Cowardice shuts the eyes till the sky is not larger than a calf-skin: shuts the eyes so that we cannot see the horse that is running away with us; worse, shuts the eyes of the mind and chills the heart.
Gross ignorance is 144 times worse than ordinary ignorance.
The human capacity for self-delusion is boundless, and the effects of belief are overpowering.
It is not... That some people do not know what to do with truth when it is offered to them, But the tragic fate is to reach, after patient search, a condition of mind-blindness, in which. The truth is not recognized, though it stares you in the face.
We may have revolved every possible idea in our minds, and yet the truth has never occurred to us, and it is from without, when we are least expecting it, that it gives us its cruel stab and wounds us forever.
A man will be imprisoned in a room with a door that's unlocked and opens inwards; as long as it does not occur to him to pull rather than push.
The people is a beast of muddy brain that knows not its own strength.
Pleasure blinds (so to speak) the eyes of the mind, and has no fellowship with virtue.
We are infected by our own misunderstanding of how our own minds work.
I've been blind in my mind since the age of three.
With stupidity the gods themselves struggle in vain.
Learning slowly to not be so reactionary while inserting verbal gratitude into stressful situations is almost like being healed of mental blindness.