Arthashastra
तुषार दुर्दिनम् अगाध निम्न प्रायं गहन तृण वृक्षं वा देशं ग्रीष्मे यायात् ॥
Or he may march during the summer against a country in which the sun is enshrouded by mist and which is full of deep valleys and thickets of trees and grass
english translation
tuSAra durdinam agAdha nimna prAyaM gahana tRNa vRkSaM vA dezaM grISme yAyAt ॥
hk transliteration by Sanscript