Piping down the valleys wild,
Piping songs of pleasant glee,
On a cloud I saw a child,
And he laughing said to me:—

“Pipe a song about a lamb:”
So I piped with merry cheer.
“Piper, pipe that song again:”
So I piped; he wept to hear.

...

Tiger! Tiger! burning bright,
In the forests of the night;
What immortal hand or eye
Could frame thy fearful symmetry?

In what distant deeps or skies
Burned the fire of thine eyes?
On what wings dare he aspire?
What the hand dare seize...

He who bends to himself a joy
Does the wingèd life destroy;
But he who kisses the joy as it flies
Lives in eternity’s sunrise.

If you trap the moment before it is ripe,
The tears of repentance you ’ll certainly wipe;
But if once you let the ripe...