To know oneself, one should assert oneself.
After a storm comes a calm.
Things do not happen. Things are made to happen.
Never complain and never explain.
Be kind whenever possible. It is always possible.
I can, therefore I am.
Either you run the day or the day runs you.
What you do today can improve all your tomorrows.
Know or listen to those who know.
To be a good loser is to learn how to win.
I'd think learning to play the guitar would be very confusing for sighted people.