51:20
وَفِى ٱلْأَرْضِ ءَايَـٰتٌ لِّلْمُوقِنِينَ
wafī l-arḍi āyātun lil'mūqinīna
And on the earth are signs for the certain [in faith]
— Saheeh International
On earth there are signs for those with sure faith––
— M. A. S. Abdel Haleem
And on the earth are signs for those who have Faith with certainty.
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali