Kautilya's Arthashastra 7.3.15

7.3.15

vyasanayaugapadye 'pi "guruvyasano 'smi, laghuvyasanaḥ paraḥ sukhena pratikṛtya vyasanam ātmano 'bhiyuñjyād" iti paśyej jyāyān api saṃdhīyeta //

When one of the two kings at war with each other and equally involved in trouble finds his own troubles to be greater than his enemy's, and thinks that by getting rid of his (enemy's) trouble his enemy can successful wage war with him, then he should, though possessing greater resources, sue for peace.