Doublethink means the power of holding two contradictory beliefs in one's mind simultaneously, and accepting both of them.

聪明好学，不以向地位低下的人请教为耻，所以称他为“文”。

What other dungeon is so dark as one's own heart! What jailer so inexorable as one's self!

公司治理的真正考验在于它能否长期协调管理者与股东的利益。