conceal quotes

Fate tried to conceal him by calling him Smith.

- Oliver Wendell Holmes
  Of Samuel Francis Smith.'The Boys'.

It is the professional duty of the advertising agent to conceal his artifice.When Aeschines spoke, they said, 'How well he speaks', but when Demosthenes spoke, they said 'Let us march against Philip.'

- David Ogilvy
  Confessions of an  Advertising Man, ch.5.