Sonnet 22

　　My glass shall not persuade me I am old

　　So long as youth and thou are of one date；

　　But when in thee time's furrows I behold，

　　Then look I death my days should expiate.

　　For all that beauty that doth cover thee

　　Is but the seemly raiment of my heart，

　　Which in thy breast doth live，as thine in me；

　　How can I then be elder than thou art？

　　O therefore，love，be of thyself so wary

　　As I，not for myself，but for thee wil