Mässigkeit und klarer Himmel sind Apollo 50 und die Musen—Moderation and a clear sky are Apollo and the Muses. Goethe.
Masters are mostly the greatest servants in the house. Pr.
Masters should be sometimes blind and sometimes deaf. Pr.
Masters two / Will not do. Pr.
Mastery passes often for egotism. Goethe.
Match-makers often burn their fingers. Pr. 55
Mater artium necessitas—Necessity is the mother of invention (lit. the arts).
Mater familias—The mother of a family.
Materia medica—Substances used in medicine; therapeutics.
Materia prima—The primary substance or substrate.