A man sufficiently gifted with humor is in small danger of succumbing to flattering delusions about himself, because he cannot help perceiving what a pompous ass he would become if he did.

Konrad Lorenz

He had delusions of adequacy.

Walter Kerr

Hence, dear delusion, sweet enchantment hence!

James Smith

Love: The delusion that one woman differs from another.

H. L. Mencken

Fishing is a delusion entirely surrounded by liars in old clothes.

Don Marquis

Better a cruel truth than a comfortable delusion.

Edward Abbey

His belief is a firmly established delusion.

Gerald Zerkin

It is amazing how complete is the delusion that beauty is goodness.

Leo Nikolaevich Tolstoy

We are not under the delusion this will clear up every single question.

Towson Fraser

It is a common delusion that you make things better by talking about them.

Dame Rose Macaulay

The preserve of ambition and folly in pursuit of illusion, or delusion.

Derek Jarman