Buddhacarita by Ven Asvaghosa - Ancient Buddhist Texts

Buddha-carita, or Life of Buddha - 121
66. ‘But having seen that this "sacred tradition" is uncertain, know
that that only is right which has been uttered by the trustworthy; and
know that trustworthiness means the absence of faults; he who is
without faults will not utter an untruth.
67. ‘And as for what thou saidst to me in regard to my returning to
my home, by alleging Rāma and others as examples, they are no
authority, – for in determining duty, how canst thou quote as
authorities those who have broken their vows
68. ‘Even the sun, therefore, may fall to the earth, even the mountain
Himavat may lose its firmness; but never would I return to my home
as a man of the world, with no knowledge of the truth and my senses
only alert for external objects.
69. ‘I would enter the blazing fire, but not my house with my purpose
unfulfilled.’ Thus he proudly made his resolve, and rising up in
accordance with it, full of disinterestedness, went his way.
70. Then the minister and the Brāhman, both full of tears, having
heard his firm determination, and having followed him awhile with
despondent looks, and overcome with sorrow, slowly returned of
necessity to the city.
71. Through their love for the prince and their devotion to the king,
they returned, and often stopped looking back; they could neither
behold him on the road nor yet lose the sight of him, – shining in his
own splendour and beyond the reach of all others, like the sun.