Complex sentence: Founded in 1866 in Berlin by Dr. Wilhelm Adolf Lette as a technical school for girls, its motto was "Dienen lerne bei Zeiten das Weib nach seiner Bestimmung" (A woman should learn to serve according to her purpose as quickly as possible).
Split into simpler sentences: Founded in 1866 in Berlin, the idea of Dr. Wilhelm Adolf Lette, it was initially a technical school for girls. Its motto was "Dienen lerne bei Zeiten das Weib nach seiner Bestimmung" (A woman should learn to serve according to her purpose as quickly as possible).