The doctrine of reincarnation was repudiated only in A.D. 553, during the Second Council of Constantinople. Thus, the doctrine regarding the pre-exis… - Helena Roerich

No teaching foresaw the future with such precision as Buddhism. Parallel with reverence for Buddha, Buddhism develops the veneration of Bodhisattvas—future Buddhas. According to the tradition, Gotama, before reaching the state of Buddha, had been a Bodhisattva for many centuries. The word Bodhisattva comprises two concepts: Bodhi—enlightenment or awakening, and Sattva—the essence. Who are these Bodhisattvas? The disciples of Buddhas, who voluntarily have renounced their personal liberation and, following the example of their Teachers, have entered upon a long, weary, thorny path of help to humanity. Such Bodhisattvas appear on Earth in the midst of the most varying conditions of life. Physically indistinguishable in any way from the rest of humanity, they differ completely in their psychology, constantly being the heralds of the principle of the common welfare.

The future Buddha, Maitreya, as his name indicates, is the Buddha of compassion and love. This Bodhisattva, according to the power of his qualities, is often called Ajita—the Invincible.

But the man bethought himself that by his own desperate plight he was saving humanity. And under this universal vision his strength became intense, unfatigued.