1. Robert Herrick

Gather ye rosebuds while ye may, old Time is still a-flying; And this same flower that smiles today, tomorrow will be dying.

2. Robert Herrick

You must remember this, a kiss is still a kiss, a sigh is just a sigh; The fundamental things apply, as time goes by. 

3. Shakespeare

The inaudible and noiseless foot of Time.
4. Byron

No hand can make the clock strike for me the hours that are passed. 

5. Queen Elizabeth I’s last words

All my possessions for a moment of time.

6.  Emerson

A day is a miniature of eternity. 

Write it on your heart that every day is the best of the year.

8. Benjamin Franklin, American president

Do you love life? Then do not squander time, for that’s the stuff life is made up of.