Original: A great admirer of the Kadampa (Bka '- gdams-pa) teachings, Tsongkhapa was an enthusiastic promoter of the Kadam School's emphasis on the mahÄ yÄ na principle of universal compassion as the fundamental spiritual orientation.
Simplified: Tsongkhapa was a big promoter of the Kadampa (Bka '- gdams-pa) teachings and the mahÄ yÄ na principle of universal compassion as the fundamental spiritual orientation.