"Safe may'st thou wander, safe return again!" Cymbeline, Act iii, Sc.5
I hope you walk safely so that you return safely.
"Give me thy hand, 'tis late; farewell, good night." Rom & Jul, Act iii, Sc.3
Its late so give farewell me with your hand good night.
"Have more than though showest; speak less than thou knowest; lend less than thou owest." K Lear, Act i, Sc.
Have more then what you show. Speak less then what you know. Lend less then what you own.
"Thy glass will show thee how thy beauties wear, thy dial how thy precious minutes waste."
Sonnet 77
the glass will show you how beautiful you are, the dial shows the precious minutes that get wasted.