Keep your face to the sunshine and you cannot see a shadow.
Many people know so little what is beyond their short range of experience. They look within themselves and find nothing! Therefore, they conclude that there is nothing outside themselves, either.
I am only one, but still I cannot do everything, but still I can do something. And because I cannot do everything I will not refuse to do the something that I can do.
There is no lovelier way to thank God for your sight than by giving a helping hand to someone in the dark.