gate śoko na kartavyo bhaviṣyaṁ naiva cintayet
gate śoko na kartavyo bhaviṣyaṁ naiva cintayet |
vartamānena kālena vartayanti vicakṣaṇāḥ ||
(Unknown source)
“Lamentation over the past should not be done, and one should not worry about the future. The wise live in the present time.”