“Don't limit your favourite subject by taking it as honours in college/university.”
Related quotes

Variant: Everybody can be great... because anybody can serve. You do not have to have a college degree to serve. You do not have to make your subject and your verb agree to serve. You only need a heart full of grace. A soul generated by love.

“Being considerate of others will take your children further in life than any college degree.”
“People are my favourite subject because there are no two alike, so my work never becomes routine.”
Robert Frank interview in: Tom Ang (2010), The Complete Photographer https://books.google.nl/books?id=HX-Fcm6XP5UC&pg=PA43, p. 43
Source: Beyond the Obvious: Photography for Healing (2014), p. 77
“A university is what a college becomes when the faculty loses interest in students.”
Saturday Review, Volume 49 (1966)