Without hard work, nothing grows but weeds.
Things do not happen. Things are made to happen.
The most effective way to do it, is to do it.
By failing to prepare, you are preparing to fail.
Do not weep do not wax indignant. Understand.
Never complain and never explain.
Wherever you are - be all there.
You never know what motivates you.
Leap, and the net will appear.
It's always too early to quit.
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.