Fetching details from the dictionary...
righteous government; just rule; kingship; rule of right; noble path
easy method; simple approach; short-cut; royal road
orthodox way; proper way; traditional manner; classic approach; tried-and-true method
地道な努力こそ成功への王道だ。
Steady effort is the true path to success.
英語上達の王道は毎日練習することだ。
The best way to improve English is to practice every day.
王道を歩む指導者に国民は従った。
The people followed the leader who walked the righteous path.