Watching John Lasseter's films, I think I can understand better than anyone that what he's doing, is going straight ahead with his vision and working really hard to get that vision into film form. And I feel that my understanding this of him is my friendship towards him.

This quote is saying that the speaker has watched various films created by John Lasseter and has come to admire the hard work and dedication he puts into creating these films. The speaker believes that by appreciating the amount of effort and passion that John Lasseter puts into his films, they have formed a strong connection and friendship with him.