skelfs in yer een

How can you say to your brother, 'Brother, let me remove the speck that is in your eye,' when you yourself do not see the plank that is in your own eye? Hypocrite! First remove the plank from your own eye, and then you will see clearly to remove the speck that is in your brother's eye.

this is generally something we should all take into account when travelling to cultures vastly different from our own