Go for it now. The future is promised to no one.
By failing to prepare, you are preparing to fail.
Without hard work, nothing grows but weeds.
Be thine own palace, or the world's thy jail.
Well done is better than well said.
Either you run the day or the day runs you.
It's always too early to quit.
Know or listen to those who know.
Begin to be now what you will be hereafter.
What you do today can improve all your tomorrows.
The history of astronomy is a history of receding horizons.
Equipped with his five senses, man explores the universe around him and calls the adventure Science.