Learning that it can be more terrible to live than to die, he is driven onward through the burning crucible of desert, where holy men and prophets are cleansed and purged, for God's great purpose.
17 seconds sound clip from the The Ten Commandments (1956) movie soundboard.
You can hear this line at 01:46:17.672 in the Blu-ray version of the movie.
Quote context
[...]
(voices echoing on wind) Moses! Moses! Moses! Moses! Moses!
- He cannot cool the burning kiss of thirst upon his lips, nor shade the scorching fury of the sun.
- He can neither bless nor curse the power that moves him, for he does not know from where it comes.
- Can you think of nothing else?
- I don't know. I've never tried!
- I wish sheep could learn to water themselves.
[...]