[avenir]

Because they are neither infinite nor "silent".

Then the Lord spoke to Job out of the whirlwind: "Who is this that darkens my counsel / with words without knowledge? / Where were you when I laid the earth's foundation? / Tell me, if you understand. / Who marked off its dimensions? Surely you know!" (Job 38:1-5)

[Physicist]

But with the right instruments, we can hear the spaces, and see their limits.