Vānarajātaka

Suttapiṭaka · Khuddakanikāya · Jātaka (1) · Vol. 27 · Section 668

[668] But he who does not quickly understand a matter (attha) that has arisen comes under the power of his enemies, and afterwards he regrets it.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 2 other places