George Bernard Shaw

You cannot be a hero without being a coward.

A little learning is a dangerous thing, but we must take that risk because a little is as much as our biggest heads can hold.

A fashion is nothing but an induced epidemic.

Good breeding differs, if at all, from high breeding only as it gracefully remembers the rights of others, rather than gracefully insists on its own rights.

Now, what that means is that there is fundamental indeterminacy from quantum mechanics, but besides that there are other sources of effective indeterminacy.

Why do men fight who were born to be brothers?