You must always look with both of your eyes and listen with...

You must always look with both of your eyes and listen with both of your ears. He says this is a very big world and there are many many things you could miss if you are not careful. There are remarkable things all the time, right in front of us, but our eyes have like the clouds over the sun and our lives are paler and poorer if we do not see them for what they are. If nobody speaks of remarkable things, how can they be called remarkable?