Text, meaning, and application

What does «بَلْ أَنْتُمْ يَوْمَئِذٍ كَثِيرٌ» correct?

Loss of the Righteous, Patience in Faith, and Protection from Social Trials (Reports 12–17)

• Knowledge is unnecessary
• All success is financial
• All differences end
• Collective weakness does not always result from low numbers