I decided to teach because I think that any person who studies philosophy has to be involved actively.
The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood.
It is not the critic who counts; not the man who points out how the strong man stumbles, or where the doer of deeds could have done them better.
Lots of people act well, but few people talk well. This shows that talking is the more difficult of the two.