My volunteer work in public affairs also keeps me current in my profession so that I can share current trends and knowledge of the discipline with my students.

WHITEHOUSE: Finding Teaching Moments after a Disaster

He moved back to the company's base in London and held a series of finance jobs, wedding his knowledge of petroleum engineering to the discipline of return on investment.

FORBES: Going deep

Thinking of engineers here, and the clamoring for more engineering degrees, anyone teaching the discipline would as a rule be imparting knowledge of no practical use.

FORBES: Sorry Left AND Right, No Job Requires A College Degree

But if he had a discipline at the moment, an area of scholarly expertise, it was deep knowledge of how to steal or to lick diseased penises for the teensiest rocks.

NEWYORKER: Deniers