Without hard work, nothing grows but weeds.
Either you run the day or the day runs you.
By failing to prepare, you are preparing to fail.
What you do today can improve all your tomorrows.
If you think you can do it, you can.
Well done is better than well said.
Quality is not an act, it is a habit.
To be a good loser is to learn how to win.
Go for it now. The future is promised to no one.
Problems are not stop signs, they are guidelines.
The frontiers of knowledge in the various fields of our subject are expanding at such a rate that, work as hard as one can, one finds oneself further and further away from an understanding of the whole.