Mans desires are limited by his perceptions; none can desire what he has not perceived.

If you cannot imagine with the mind's eye much more than you can see with the mortal eye, you have a very poor imagination indeed.

I turn my eyes to the schools & universities of Europe And there behold the loom of Locke whose woof rages dire, Washed by the water-wheels of Newton. Black the cloth In heavy wreaths folds over every nation; cruel works Of many wheels I view, wheel without wheel, with cogs tyrannic Moving by compulsion each other: not as those in Eden, which Wheel within wheel in freedom revolve, in harmony & peace.

Opposition is true friendship.

Does a firm persuasion that a thing is so, make it so?" He replied, "All poets believe it does. And in ages of imagination, this firm persuasion removes mountains; but many are not capable of firm persuasion of anything.

I wander thro' each charter'd street, Near where the charter'd Thames does flow, And mark in every face I meet Marks of weakness, marks of woe. In every cry of every Man, In every Infant's cry of fear, In every voice, in every ban, The mind-forg'd manacles I hear. How the Chimney-sweeper's cry Every black'ning Church appalls; And the hapless Soldier's sigh Runs in blood down Palace walls. But most thro' midnight streets I hear How the youthful Harlot's curse Blasts the new born Infant's tear, And blights with plagues the Marriage hearse.

The most sublime act is to set another before you.