Every day, I see this man who lives in my neighbourhood, and he walks around the block twice a day. He is completely blind. He must be about 65 years old. When he walks, he swings that cane left and right to the maximum to scan anything that could be in his way.
There is enough traffic around here, but still he will walk around the block with his cane every day.
I can imagine the joy he would have, if he could see once more. Maybe he was born blind, who knows?