“Recite ye the verses of God every morn and eventide.” (Bahá’u’lláh, ‘The Kitáb-i-Aqdas’)

October 13

Set thine heart towards Him Who is the Point of adoration for the world, and say: “O peoples of the earth! Have ye denied the One in Whose path He Who came with the truth, bearing the announcement of your Lord, the Exalted, the Great, suffered martyrdom?” Say: This is an Announcement whereat the hearts of the Prophets and Messengers have rejoiced. This is the One Whom the heart of the world remembereth, and is promised in the Books of God, the Mighty, the All-Wise. The hands of the Messengers were, in their desire to meet Me, upraised towards God, the Mighty, the Glorified. Unto this testifieth that which hath been sent down in the sacred Scriptures by Him Who is the Lord of might and power. 
- Baha'u'llah  (Tablet to Czar Alexander II, Suriy-i-Haykal [Tablet of Temple]; ‘The Summons of the Lord of Hosts’)