Quality is not an act, it is a habit.
Things do not happen. Things are made to happen.
If you think you can do it, you can.
Only the educated are free.
If you've got a talent, protect it.
The wise does at once what the fool does at last.
I can, therefore I am.
Problems are not stop signs, they are guidelines.
It's always too early to quit.
To know oneself, one should assert oneself.
In my teaching, I enjoyed creating models to clearly communicate my thoughts.