If you need something to hold you over between the Mister Rogers documentary and the upcoming biopic starring Tom Hanks, a new coffee-table book of his quotes is now in bookstores.

He was a source of love and inspiration for generations of children. Here we reflect on some of the most influential words Mr. Rogers shared throughout his life.

The very first episode of Mister Rogers' Neighborhood hit TVs across the U.S. on Feb. 19, 1968. The episode didn't shy away from the contentious Vietnam War that started more than a decade earlier.

At a time when children were either ignored or subjected to kids' programs — which were mindless fluff — Mr. Rogers insisted on endowing even the youngest child with the same courtesy, respect ...