If you think you can do it, you can.
You never know what motivates you.
Be gentle to all and stern with yourself.
To know oneself, one should assert oneself.
The most effective way to do it, is to do it.
If you're going through hell, keep going.
Be kind whenever possible. It is always possible.
If you can dream it, you can do it.
What you do today can improve all your tomorrows.
The secret of getting ahead is getting started.
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.