There is a danger there - a very real danger to humanity. Consider, Watson, that the material, the sensual, the worldly would all prolong their worthless lives. The spiritual would not avoid the call to something higher. It would be the survival of the least fit. What sort of cesspool may not our poor world become?
... Whatever condition we are in, we must always do what we want to do, and if we want to go on a journey, then we must do so and not worry about our condition, even if it's the worst possible condition, because, if it is, we're finished anyway, whether we go on the journey or not, and it's better to die having made the journey we're been longing for than to be stifled by our longing.