Never any strange illusions of devils amongst hermits, anchorites, never any visions, phantasms, apparitions, enthusiasms, prophets, any revelations, but immoderate fasting, bad diet, sickness, melancholy, solitariness, or some such things, were the precedent causes, the forerunners or concomitants of them.

Another illusion which had been dispelled was Lesbia's comfortable idea of her own expectations.

The economist can only issue the warning that the commonest illusion he encounters is the belief of each classcommercial, banking, manufacturing, wage-earningthat

The illusion is the result of changes of relation in differentiated atoms caused by their motion.

Roughly speaking, an illusion is an error of vision; delusion, of judgment.

Bismarck tells us that "Illusions are the greatest danger to the diplomatist.

It looked as if no one had ever lived in it, though the illusion of age was skilfully contrivedold paving-stones, old bricks, old lead vases, but all looking as if they were shy, and had only been just introduced to each other.