3 verses have
“كلا”
in Edition Simple Clean / At-Takaathur (Competition)
3:102كلا سوف تعلمون
4:102ثم كلا سوف تعلمون
5:102كلا لو تعلمون علم اليقين
Support Ayat Al Quran
Those who spend their wealth by night and day, privately and publicly, will receive their reward from their Lord. They have nothing to fear, nor shall they grieve.
The Holy Quran · Al-Baqara (The Cow) · 2:274