2 verses have
“فستعلمون”
in Edition Simple Clean / Al-Mulk (The Sovereignty)
17:67أم أمنتم من في السماء أن يرسل عليكم حاصبا ۖ فستعلمون كيف نذير
29:67قل هو الرحمن آمنا به وعليه توكلنا ۖ فستعلمون من هو في ضلال مبين
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