This quote by Marcus Aurelius is a reminder that our lives are formed by our thoughts. Our thoughts are effective and can affect our actions, feelings, and general outlook on life. If we concentrate on negative ideas, our lives will be filled with negativeness. On the other hand, if we focus on positive ideas, our lives will be filled with positivity. This quote motivates us to be mindful of our ideas and to aim to think favorably. It is a pointer that our lives remain in our control which we can produce the life we desire by controlling our ideas. We can pick to concentrate on the excellent and create a life of happiness and abundance. By being mindful of our ideas, we can develop the life we want and live a life of function and fulfillment.
"Life is life - whether in a cat, or dog or man. There is no difference there between a cat or a man. The idea of difference is a human conception for man's own advantage"