From: http://www.mythfolklore.net/proverbs/MFProverbs-03.htm
3.170 Animum debes mutare, non caelum.
debeo, -ere, debui, debitus. to owe, be obliged.
caelum, -i. sky, heaven.
3.186 Inter dominum et servum nulla amicitia.
inter (prep + acc.). between, among.
dominus, -i. lord, master.
servus, -i. slave, servant.
amicitia, -ae. friendship.