Prophet Hud - 11:93
"He said: "My people, do what you can, and I will do it, and you will know in the future to whom the humiliating torment will come and who is a liar. Wait in hope, and I wait in hope with you."
Related:
The Family Of Imran/3:146
How many prophets fought with them, many who were devoted to their Lord. They did not slacken in the way of Allah because of what befell them, nor did they give in. Allah loves those who persevere.