“Understanding that the precious freedom of this rebirth is found only once,
Is greatly meaningful and difficult to find again,
Please bless me to generate the mind that unceasingly,
Day and night, takes its essence.”
From Foundation of All Good Qualities by Je Tsong Khapa as published in Essential Buddhist Prayers: An FPMT Prayer Book, volume 1. Translated by Jampal Lhundrup. FPMT, Inc. Available on-line from Lama Yeshe Wisdom Archive.