Surah Al-An'am 6:109

ﲷ ﲸ ﲹ ﲺ ﲻ ﲼ ﲽ ﲾ ﲿ ﳀ ﳁ ﳂ ﳃ ﳄ ﳅ ﳆ ﳇ ﳈ ﳉ ﳊ ﳋ ﳌ ﳍ

And they swear by Allah their strongest oaths that if a sign came to them, they would surely believe in it. Say, "The signs are only with Allah." And what will make you perceive that even if a sign came, they would not believe.