Luke 22:44. And being in an agony he prayed more earnestly: and his sweat was as it were great drops of blood falling down to the ground.
Genesis 3:19. In the sweat of thy face shalt thou eat bread, till thou return unto the ground; for out of it wast thou taken: for dust thou art, and unto dust shalt thou return.
2 Maccabees 2:26. We have taken care for those indeed that are willing to read, that it might be a pleasure of mind: and for the studious, that they may more easily commit to memory: and that all that read might receive profit.