Do not weep do not wax indignant. Understand.
By failing to prepare, you are preparing to fail.
Never complain and never explain.
The dog that trots about finds a bone.
Be kind whenever possible. It is always possible.
Know or listen to those who know.
Without hard work, nothing grows but weeds.
Wherever you are - be all there.
Well done is better than well said.
I can, therefore I am.
I'd think learning to play the guitar would be very confusing for sighted people.