There is a suggestively conversation between two men who are fighting each other. A is claimed to be strongest wizard and B is nearly strong as A. Here is the conversation,
Here I get,
A: In the world there is (always) upper of upper. (Which implies there is always someone who is stronger than you, OK I got it!!)
B: I know that well. .......................... That guy might be just right under your feet.
Does "だがたまには下も見るもんだぜ" mean "But sometimes there are ones who look down too" or "But sometimes they should look down too" ?? If I'm mistaken then what does it mean? I'm confused about it, yoroshiku onegaishimasu~~