Never complain and never explain.
Be kind whenever possible. It is always possible.
The most effective way to do it, is to do it.
What you do today can improve all your tomorrows.
You never know what motivates you.
Know or listen to those who know.
By failing to prepare, you are preparing to fail.
If you've got a talent, protect it.
Well done is better than well said.
Go for it now. The future is promised to no one.
If a weakly mortal is to do anything in the world besides eat the bread thereof, there must be a determined subordination of the whole nature to the one aim no trifling with time, which is passing, with strength which is only too limited.