steadfastness

And he replied, 'That a man should be conscious in himself that he has wrought no evil and that he should live his life in the truth. Since it is from these, O mighty King, that the greatest joy and steadfastness of soul and strong faith in God accrue to you if you rule your realm in piety.'

Thou, O father, didst fortify our fidelity to the Law through thy steadfastness unto glory; and having spoken in honour of holiness thou didst not belie thy speech, and didst confirm the words of divine philosophy by thy deeds, O aged man that wast more forceful than the tortures.