You'RE GONNA sneak up on people, and you’re GONNA impress them

In a construction worker's circle, for example, if you read a book in the shed every day to prepare for an exam, you will be made fun of by the people around you and will be tempted to give up your studies, inculcating in the futility of learning and the like, and possibly making fun of you, will to a great extent discourage your self-improvement.