The Da Vinci Notebooks at sacred-texts.com
How to spend life (1165-1170).0 sleepers! what a thing is slumber! Sleep resembles death. Ah, why then dost thou not work in such wise as that after death thou mayst retain a resemblance to perfect life, when, during life, thou art in sleep so like to the hapless dead? 636
292:636 : Compare No. 676, Vol. I. p. 353.