"Why did you hide the truth from me?" he asked the Master.
"That you may pierce the veil yourself. Like any task, knowledge precedes action. Information learned is more valuable than information given..."
(Altair&Al Mualim - pag. 158)
(Oliver Bowden - " Assasin's Creed - The Secret Crusade - The untold story of Altair - The Master Assasin")