It's important to maintain good relationships with your friends, but it's equally important to understand your enemies.
友人との良好な関係を保つことは重要ですが、敵を理解することも同様に重要です。 (Yūjin to no ryōkō na kankei o tamotsu koto wa jūyō desu ga, teki o rikai suru koto mo dōyō ni jūyō desu.)
"He always watches his competitors carefully because he believes in keeping your friends close and your enemies closer."
"彼は常に競争相手を慎重に観察しています。なぜなら彼は友人を近くに、敵をさらに近くに保つことを信じているからです。" (Kare wa jō ni kyōsō aite o shinchō ni kansatsu shiteimasu. Nazenara kare wa **yūjin o chikaku ni, teki o sara ni chikaku ni** tamotsu koto o shinjite iru kara desu.)
something that completely changes the way things are done
being far superior to others in a particular field.
to behave in a confident and assured way
to gain someone's confidence by being reliable
to prepare for all possible situations
to change and adapt as things in society or technology chang...