What you do today can improve all your tomorrows.
By failing to prepare, you are preparing to fail.
To know oneself, one should assert oneself.
Without hard work, nothing grows but weeds.
If you can dream it, you can do it.
Be gentle to all and stern with yourself.
It's always too early to quit.
Quality is not an act, it is a habit.
Problems are not stop signs, they are guidelines.
If you've got a talent, protect it.
All science is either physics or stamp collecting.