“When some great teachers of the past reflected on the rarity of human existence, they did not even feel like sleeping; they could not bear to waste a single moment. They put all their energy into spiritual practice.” BuddhismEnlightenmentAwakeningDharmaSpiritual PracticeMindtrainingDiscipline And Devotion Book:The Heart of Compassion: The Thirty-seven Verses on the Practice of a Bodhisattva Source: The Heart of Compassion: The Thirty-seven Verses on the Practice of a Bodhisattva