The only limit to our realization of tomorrow will be our doubts of today.
实现明天的唯一限制将是我们今天的疑虑。
解释:看到乱子出现,若不警惕,损失就会更多;如果想掩饰自己的过错,只会使过错更加明显地表露出来。
Collaboration across industries is key to solving the energy challenge.