[わがみをつねってひとのいたさをしれ, wagamiwotsunettehitonoitasawoshire] (exp) (id) you can't appreciate others' suffering until you've gone through it yourself; pinch oneself and know others' pain
[きゃっかしょうこ, kyakkashouko] (exp) look carefully where your own footsteps fall; seek enlightenment by knowing yourself and not by watching others; know thyself