One is alone.

And then everything passes, everything changes, everything takes flight, and as soon as everything takes flight one is alone.

There are times when I see this better than at other times.

And then I cannot help crying." She was getting sadder and sadder, but then she had a little access of pride, and I saw a smile gently stir her veil of melancholy.
"I am more sensitive than other people.

Things that other people would not notice awaken a distinct echo in me, and in such moments of lucidity, when I look at myself, I see that I am alone, all alone, all alone." Disturbed to see her growing distress, he tried to raise her spirits.
"We cannot say that, we who have reshaped our destiny.