Knowledge has this weird Schödinger-like property where it can only be observed at a moment of action. Take the mathematics I studied in college. Perhaps it exists on some plane of perfection, more likely it resides in my body. Whatever the case, my mathematics can only really be seen (read: known) when pen touches paper and I prove it. No knowledge without action.
I would not know what I know without doing what I did. All the knowledge I have is the impressions from countless experiences of life. If I want to know something new, I read, I practice, I go out and experience. From these actions, my knowledge grows. No knowledge without action.
Knowledge is not an amoral quantity, divorced from life. Knowledge is a call to arms; knowledge is a responsibility. As the ground we stand on, our knowledge tilts our feet in a certain direction. With any luck, it tips us towards empathy and compassion, pointing us to be of service to those who need it. No knowledge without action.