The key that unlocks a door is a key to keep if you want to go through that door again.
What's a Sun-Dial in the shade?
Be sober and temperate, and you will be healthy.
Hope is an essential constituent of human life.
When you assemble a number of men to have the advantage of their joint wisdom, you inevitably assemble with those men all their prejudices, their passions, their errors of opinion, their local interests and their selfish views.
Take care of the halfpence and pence, and the shillings and pounds will take care of themselves.