Time flies
Time passes very quickly.

Time is money
Time is valuable, and wasting it is like wasting money.

Better late than never
It's better to do something late than not do it at all.

Make hay while the sun shines
Take advantage of favorable conditions while they last.

The early bird catches the worm
Those who start early have an advantage.

A stitch in time saves nine
Taking care of a problem early prevents it from becoming worse.

Time waits for no one
Time continues to pass, regardless of what happens.

In the nick of time
Just in time; at the last possible moment.

Kill time
To spend time doing something unimportant while waiting.

Time will tell
The truth or outcome will become clear in the future.

A matter of time
Something that will definitely happen eventually.

Time on your hands
Having extra time or free time available.

Take your time
Do not rush; take as much time as you need.

Time is of the essence
The importance of time in completing something.

No time like the present
The best time to do something is now.

Time's up
The allocated time for something has ended.

Once in a blue moon
Something that happens very rarely.

Time to face the music
It's time to deal with the consequences of one's actions.

Through thick and thin
Supporting someone in both good and bad times.

On borrowed time
Living in a situation where one expects to fail or end soon.