"In essentials unity, in nonessentials liberty, in all things charity" inscribed on the auditorium of the Jerusalem International YMCA.
Here is an article about it.

https://en.wikipedia.org/wiki/In_necessariis_unitas,_in_dubiis_libertas,_in_omnibus_caritas

This famous sentiment is spoken by Catholics and Protestants throughout the world. I guess I would probably lean toward working the second thing slightly different. I'm not sure exactly. Maybe something like in "lesser things mercy".

It...  more