Man ... can go up against gravitation in a balloon, and why should he not hope that ultimately he may be able to stop or accelerate his drift along the Time-Dimension, or even turn about and travel the other way.
We become aware, however, that all customs, even the hardest, grow pleasanter and milder with time, and that the severest way of life may become a habit and therefore a pleasure.
What the object of senile avarice may be I cannot conceive. For can there be anything more absurd than to seek more journey money, the less there remains of the journey?
Surely in a matter of this kind we should endeavor to do something, that we may say that we have not lived in vain, that we may leave some impress of ourselves on the sands of time.