To know oneself, one should assert oneself.
Be kind whenever possible. It is always possible.
Without hard work, nothing grows but weeds.
What you do today can improve all your tomorrows.
By failing to prepare, you are preparing to fail.
Problems are not stop signs, they are guidelines.
To be a good loser is to learn how to win.
Be gentle to all and stern with yourself.
If you're going through hell, keep going.
It's always too early to quit.
The teacher who would be true to his mission and accomplish the most good, must give prominence to moral as well as intellectual instruction.