It has been said that there are three roads which form the best vows of a man. One should never injure; one should always tell the truth; and one should make gift.
त्रीण्येव तु पदान्याहुः पुरुषस्योत्तमं व्रतम्। न दुह्येच्चैव दद्याच्च सत्यं चैव परं वदेत्॥