"The inventor...looks upon the world and is not contented with things as they are. He wants to improve whatever he sees, he wants to benefit the world;...

When one door closes another door opens; but we so often look so long and so regretfully upon the closed door, that we do not see the ones which open for us.
When one door closes another door opens; but we so often look so long and so regretfully upon the cl...
Show More