It's important to maintain good relationships with your friends, but it's equally important to understand your enemies.
Il est important de maintenir de bonnes relations avec vos amis, mais il est tout aussi important de comprendre vos ennemis. (Il est important de maintenir de bonnes relations avec vos amis, mais il est tout aussi important de comprendre vos ennemis.)
"He always watches his competitors carefully because he believes in keeping your friends close and your enemies closer."
"Il surveille toujours attentivement ses concurrents parce qu'il croit en garder vos amis proches et vos ennemis encore plus proches." (Il surveille toujours attentivement ses concurrents parce qu'il croit en **garder vos amis proches et vos ennemis encore plus proches**.)
someone who is very dear and loved deeply
to become partners or friends with someone
in written form; clearly stated
doing something unfamiliar or challenging
to absorb or receive information quickly
to be the first to do something innovative