1·There are no certainties in modern Europe.
现代欧洲无定事。
—— 《柯林斯英汉双解大词典》
2·I think Milton is encouraging us to question, to wrestle with the theological certainties that the rest of the poem labors to establish.
我认为弥尔顿鼓励我们去质疑，去与神学上的确定性搏斗，而这正是这首诗的其余部分所努力建立的。
3·But there are two certainties.
至少有两点是肯定的。
4·There are no certainties in science.
科学里没有必然可言。
5·Yes, but one can't always work on certainties.
是的，但是人不可能做什么事都那么有把握。
6·The certainties proclaimed by Newton mechanics are illusory.
由牛顿力学所表明的确定性是一种错误。
7·All because of too much uncertainties and too few certainties.
完全是因为太多的未知和太少的已知。
8·But DNA experts still deal in probabilities and not certainties.
但是，DNA专家提供的仍然是可能性并非确定性。
9·What if these certainties failed more, or even most, of the time?
如果这些确定性更多次乃至大多数时候都失灵又会怎么样呢？
10·Without these certainties, Homo sapiens would still be living in caves.
没有这些确定性，智人会依然生活在洞穴中。