Even weak people can help strong people sometimes.
You need to save money now. You never know what problems or money needs are around the corner.
If you do not waste money, you will never be poor.
Spend your money now. It's no use to you when you are dead.
This is said of someone who watches every penny they spend
The longer it takes to do something, the more costly it will be.
You cannot stop time. Time seems to go by very quickly.
You don't know how good something is until you have tried it.
This proverb is usually said on encountering something that is unusual, i.e. an exception to the usual rules.
Do not form a judgement about something or someone on the basis of a single piece of evidence.