Thomas Alva Edison

The body is a community made up of its innumerable cells or
inhabitants.

The body is a community made up of its innumerable cells or
inhabitants.

Discontent is the first necessity of progress.

Discontent is the first necessity of progress.

There is no expedient to which a man will go to avoid the real labor of
thinking.

There is no expedient to which a man will go to avoid the real labor of
thinking.

Just because something doesn't do what you planned it to do doesn't mean it's useless.

Just because something doesn't do what you planned it to do doesn't mean it's useless.

I believe that the science of chemistry alone almost proves the existence of an intelligent creator.

I believe that the science of chemistry alone almost proves the existence of an intelligent creator.