§ Of the Flight of the Noldor The Silmarillion

Little foresight could there be for those who dared to take so dark a road. Yet all was done in over-haste; for Fëanor drove them on, fearing lest in the cooling of their hearts his words should wane and other counsels yet prevail; and for all his proud words he did not forget the power of the Valar. But from Valmar no message came, and Manwë was silent. He would not yet either forbid or hinder Fëanor's purpose; for the Valar were aggrieved that they were charged with evil intent to the Eldar, or that any were held captive by them against their will. Now they watched and waited, for they did not yet believe that Fëanor could hold the host of the Noldor to his will.