Person #1 - "I liked you better when you were reading "Infinite Jest."
Person #2 - "Yeah, me too."
So yes, we are looking through the glass darkly. We are equipped with home-made tools. We are imperfect beings, with only partial knowledge. We don't know what we don't know, but we do know that what we don't know is substantial.
And then, still, knowing all that, we must act. Act with conviction. We must make decisions, choices, and plans. And every action counts. Everything we do, and everything we think, has meaning, or influence, or consequence.
It's a precarious thing. Our condition. And we change, and the world around us changes. And we don't know if that's how it always works. We do know there are cycles, but even the cycles are not eternal. There is change, and growth, and death, and decay... and birth, and life... and well, there is a long chain of being that goes back millions and millions and billions of years.
And we are so small. Tiny. In the grander scheme. We are heavy and light. At the same time. We can disappear. Evaporate. Hardly leave a trace. What a strange predicament...