Do not weep do not wax indignant. Understand.
Either you run the day or the day runs you.
To know oneself, one should assert oneself.
Without hard work, nothing grows but weeds.
Be kind whenever possible. It is always possible.
Things do not happen. Things are made to happen.
Never complain and never explain.
Wherever you are - be all there.
It's always too early to quit.
Who seeks shall find.
I learned easily and had time to follow my inclination for sports (light athletics and skiing) and chemistry, which I taught myself by reading all textbooks I could get.