This was one of the more moving commencement speeches I've read. An oldie but a goodie, who's responsible for it? Answer below....
It's David Foster Wallace's commencement speech in 2005 to Kenyon University. It can be found in it's entirety HERE. I highly suggest you read the entire thing.
“The really important kind of freedom involves attention and awareness and discipline, and being able truly to care about other people and to sacrifice for them over and over in myriad petty, unsexy ways every day.”