Choice of Words:Live means to be alive. Day is a period of 24 hours. Fullest means the greatest possible extent or degree.
Alternative Expressions
Make the most of every day.
Meaning: This means the same as "Live each day to the fullest." It means to make the most of your time and to enjoy every day as much as you can.
Choice of Words:Make means to create or do something. The most means as much as possible. Of means from or out of. Every means each and every one. Day means a 24-hour period, like from sunrise to sunrise. When you put them together, "Make the most of every day" means to do as much as you can with each day you have.
Don't waste your time.
Meaning: This means to use your time wisely and to make the most of it. It's like saying, Don't spend your time doing things that you don't enjoy or that don't help you to grow and learn.
Choice of Words:Don't means do not. Waste means to use something up without getting any benefit from it. Your means belonging to you. Time means a period of duration. When you put them together, "Don't waste your time" means to not use your time in a way that is not beneficial or productive.