Nothing makes one so vain as being told one is a sinner. Conscience makes egotists of us all.

I don't at all like knowing what people say of me behind my back. It makes me far too conceited.

Egotism is nature's compensation for mediocrity.

Egotism is the anesthetic that dulls the pain of stupidity.

Egotism is the art of seeing in yourself what others cannot see.

Egotism -- usually just a case of mistaken nonentity.