"We are all apprentices in a craft where noone ever becomes a master." -Earnest Hemingway
This quote is all about humility, which, in my mind, is not nearly common enough these days. Everyone is critical of others, as if convinced they have all the right answers. I've experienced this at all levels in my life; I rarely understand it. As Hemingway points out, though it's likely he's speaking of writing, nobody is ever a master. There's always a boss, a supervisor, someone with more experience and authority. People don't realize this these days; they tend to think no further than themselves and judge others based on their own experiences, which isn't fair.
Here's to humility and remembering that we're all just apprentices sometimes.