“The condition of goodness is five: It must be fast, it must be secret, it must not be overlooked, it must be constant and find its place.” Ibn Sina Words of Science and Wisdom, Words of the Day, Words About People, Picture Quotations “The condition of goodness is five: It must be fast, it must be secret, it must not be overlooked, it must be constant and find its place.” Ibn Sina Avicenna's Lamb Experiment Özdeyiş.Net | 🦋 POZİTİF ÖZLÜ SÖZLER