Abandon that which is before you, O people of the earth, and take that which is commanded you by Him Who is the Powerful, the Faithful.
And in a letter to the Pope, written from Adrianople in 1867, He says:-- Beware lest celebration hinder you from the Celebrated and worship hinder you from the Worshipped One! Behold the Lord, the Mighty, the All-Knowing! He hath come to minister to the life of the world, and for the uniting of whatever dwelleth therein.

Come, O ye people, to the Dawning-place of Revelation! Tarry not, even for an hour! Are ye learned of the Gospel, and yet are unable to see the Lord of Glory?
This beseemeth you not, O learned concourse! Say then, if ye deny this matter, by what proof do you believe in God?
Produce your proof....
Just as in these letters to Christians He announces the fulfillment of the Gospel promises, so He proclaims also to Muhammadan, Jews, Zoroastrians and the people of other faiths the fulfillment of the promises of their Holy Books.

He addresses all men as the sheep of God, who have hitherto been divided into different flocks and sheltered in different folds.

His message, He says, is the Voice of God, the Good Shepherd, Who has come in the fullness of time to gather His scattered sheep into one flock, removing the barriers between them, that "there may be one fold and one shepherd." A New Situation The position of Baha'u'llah among the Prophets is unprecedented and unique, because the condition of the world at the time of His advent was unprecedented and unique.

By a long and checkered process of development in religion, science, art and civilization the world had become ripe for a teaching of Unity.