No longer wander at hazard;for neither wilt thou read thy own memoirs, nor the acts of the ancient Romans and Hellenes, and the selections from books which thou wast reserving for thy old age.

• 不要再随便地游荡，因为你将面临自己记忆力的衰退，不再能追忆古代罗马和希腊人的行为，也读不成你为自己晚年保存的书籍。