A goal or action which is postponed until a future day is often never accomplished; do not procrastinate. / Tomorrow has no reality, since every day is experienced as today.

Tomorrow will bring new opportunities and a fresh start for one's endeavors.

Things are fleeting; something that is ubiquitous or popular at one point is soon forgotten.

Asks if someone is busy tomorrow, possibly to invite them to do something if they are available. ("Tomorrow" can be replaced by other dates, such as "are you doing anything on the weekend", etc.)

Life is short, so you should enjoy it while you can. / In speaking pejoratively of epicurean beliefs.

It is better to have a sure thing now than a possibility of more later.

Do not procrastinate whatever that can be done today until tomorrow.

(informal) Approximately tomorrow.

(informal) Futuristic.

Without a tomorrow; futureless.