Subaru of the Twelve Guardians thinks that Benio and Rokuro need to understand each other better, but the Twin Star Exorcists aren't convinced and insist on conventional combat training.  The debate comes to head in the form of a game of hide and seek: if Benio and Rokuro can track Subaru down before sunset, she'll provide the training they're asking for.
Trying to grab hold of something 
you can't see is pointless.
محاولة إمساك شيء لا يمكنك رؤيته أمر لا فائدة منه
Etwas Unsichtbares einfangen
zu wollen ist vergebens.
Tratar de tomar algo
que no ves es inútil.
Tratar de atrapar algo
que no ves es inútil.
Inutile de vouloir saisir
une chose invisible.
È inutile cercare di afferrare
 qualcosa che non riesci a vedere.
É inútil tentar compreender 
algo que não se consegue ver.
Бесполезно пытаться 
ухватиться за нечто невидимое.