The present moment is your own.

Defer not until the evening what you may accomplish at noon." With these words the oracle became silent, and Arnold sat down and began to think it all over again.
An hour later he presented himself at the house in the King's Road.
Iris was alone, and she was playing.
"You, Arnold?
It is early for you." "Forgive me, Iris, for breaking in on your afternoon; but I thought--it is a fine afternoon--I thought that, perhaps--You have never taken a walk with me." She blushed, I think in sympathy with Arnold, who looked confused and stammered, and then she said she would go with him.
They left the King's Road by the Royal Avenue, where the leaves were already thin and yellow, and passed through the Hospital and its broad grounds down to the river-side; then they turned to the right, and walked along the embankment, where are the great new red houses, to Cheyne Walk, and so across the Suspension Bridge.

Arnold did not speak one word the whole way.

His heart was so full that he could not trust himself to speak.

Who would not be four-and-twenty again, even with all the risks and dangers of life before one, the set traps, the gaping holes, and the treacherous quicksands, if it were only to feel once more the overwhelming spirit of the mysterious goddess of the golden cestus?
In silence they walked side by side over the bridge.
Half-way across, they stopped and looked up the river.