顯密圓通成佛心要集 2.22

2.22

Now, for those who seek the Way, if they do not make offerings above to the Three Jewels and rescue the four modes of birth below, there is no way for their merit and wisdom to increase. Now, from within the esoteric treasury, I record the essential and wondrous gates, hoping that the four assemblies will rely on and practice them. If one wishes to make offerings to the Buddha, Dharma, and Saṅgha—the Three Jewels—one should first, before the images of the Three Jewels, throw one's five limbs to the ground and universally pay homage to the inexhaustible Buddha, Dharma, and Saṅgha throughout the dharmadhātu, chanting the Universal Homage Mantra seven times with one's mouth. The mantra is: