2. The_______to do springs from the knowledge that we_______do. Doubt and fear are the great enemies of knowledge， and he_______encourages them， who does not slay_______， thwarts himself at every step.
1. 大多数人任由他们的思想之舟在生命的海洋中“漂泊”。
2. 一个人应该在自己的内心中孕育一个合理的目标，并准备去实现它，还应将其作为自己思想的中心。
3. 思想勇敢地与目标相结合，就形成了创造力。
1. He should make this purpose his supreme duty， and should devote himself to its attainment， not allowing his thoughts to wander away into ephemeral fancies， longings， and imaginings.