To know oneself, one should assert oneself.
To be a good loser is to learn how to win.
Problems are not stop signs, they are guidelines.
Without hard work, nothing grows but weeds.
Be kind whenever possible. It is always possible.
You never know what motivates you.
Who seeks shall find.
I can, therefore I am.
Begin to be now what you will be hereafter.
Either you run the day or the day runs you.
The role of the teacher is to create the conditions for invention rather than provide ready-made knowledge.