tenpo suno nanpa mute luka

ona ken lukin e tenpo kama en tenpo pini.
taso tenpo ni li nasa pi sona ala.
Note: “jan” should be preferred over “ona” to express “one”. More importantly, the way I used “en” is very unorthodox. The proper way would be to repeat “e”, like this: “jan ken lukin e tenpo kama, e tenpo pini.”