Surah An-Nisa' 4:101
ﳌ ﳍ ﳎ ﳏ ﳐ ﳑ ﳒ ﳓ ﳔ ﳕ ﳖ ﳗ ﳘ ﳙ ﳚ ﳛ ﳜ ﳝ ﳞ ﳟ ﳠ ﳡ ﳢ ﳣ
And when you travel throughout the land, there is no blame upon you for shortening the prayer, [especially] if you fear that those who disbelieve may disrupt [or attack] you. Indeed, the disbelievers are ever to you a clear enemy.