to calm one's mind―compose oneself―collect oneself―gather one's wits―gather up one's scattered wits
心安らぐ
have a peaceful mind;feel at peace
to purify one's heart―purge one's heart―(from sin)
the act of purifying one's heart
Purification of the mind.
to take care of someone with great consideration and kindness
to open one's mind―open one's heart―unbosom oneself―to another