There's nothing more unforgivable than someone who thinks…

She thinks she knows everything that goes on inside me, and she doesn’t know a thing. What did she want from me – to…

— Paul Zindel

“Well, although I do not suppose that either of us know anything really beautiful & good, I am better off than he is- for…

— Socrates

It's what a fellow thinks he knows that hurts him.

— Kin Hubbard

In other words, the more stupid one is, the more he thinks he knows.

— L. Frank Baum

A liberal: someone who thinks he knows more about your experience than you do.

— James A. Baldwin

“No one knows what god thinks of anything. He only knows and no one can claim to penetrate into his mysteries. Those who do…

— Bangambiki Habyarimana

“a mind that is too full of what it thinks it knows can’t take in new information.”

— Sarajoy Marsh

I'm never the type of guy that thinks he knows it all.

— Xander Bogaerts

There is but a slight difference between the man who may be said to know nothing and him who thinks he knows everything.

— Edwin Hubbel Chapin

When you acknowledge that there is nothing repulsive or unforgivable or shameful about yourself, it becomes easier to be that authentic person and feel…

— John Green

“A man remains knowing as long as he searches for knowledge and continues to study. When he thinks he knows, he has become ignorant.”

— Franz Rosenthal

It is impossible for a man to learn what he thinks he already knows.

— Epictetus

A wise man can admit when he is wrong. But a fool thinks he knows everything!

— Book Of Proverbs

He knows nothing; and he thinks he knows everything. That points clearly to a political career.

— George Bernard Shaw

Man, who thinks he knows everything. But what does man know...Man cares only for himself, in his fear and hate.

— David Clement-Davies