“Obstacles can't stop you. Problems can't stop you. Most of all, otherpeople can't stop you. Only you can stop you.”
“Change is like dancing with a Gorilla - you can't stop when you are tired. You can only stop when the gorilla is ready to stop.”
“When you can stop you don't want to, and when you want to stop, you can't...”
“My dear, old age is like an airplane flying in a storm. Once you're in it there's nothing you can do. You can't stop a plane, you can't stop a storm, you can't stop time. So you might as well take it easy, with wisdom.”
“But you can't stop knowing something, can you?”
“Go, go, go if you want to, I can't stop you. Go, go, go if you want to, I can't stop you.”