none can desire what he has not perceiv'd. - William Blake

The most sublime act is to set another before you.

And did those feet in ancient time,
Walk upon England's mountains green?
And was the holy Lamb of God
On England's pleasant pastures seen? And did the Countenance Divine
Shine forth upon our clouded hills?
And was Jerusalem builded here
Among these dark Satanic mills? Bring me my Bow of burning gold,
Bring me my Arrows of desire,
Bring me my Spear — O clouds, unfold!
Bring me my Chariot of fire! I will not cease from mental fight,
Nor shall my sword sleep in my hand,
Till we have built Jerusalem
In England's green & pleasant land.

If the fool would persist in his folly he would become wise.