It's always too early to quit.
Leap, and the net will appear.
After a storm comes a calm.
Only the educated are free.
Know or listen to those who know.
If you think you can do it, you can.
To know oneself, one should assert oneself.
You never know what motivates you.
Things do not happen. Things are made to happen.
To be a good loser is to learn how to win.
I broke down while at Oxford, was rejected by a record number of medical tribunals during the War, and finally got permission to leave Oxford and do civilian work till the War ended.