Explanation of forty nuclear in the authentic hadiths of the Prophet

"And God Almighty has delayed in collecting forty hadiths following the example of these imams and the preservation of Islam. The absent "and his saying (may God bless him and grant him peace)" God is a woman who heard my article and threw it and performed it as he heard it ". And all of them are valid purposes, may God be pleased with its people. That is, then I commit in these forty to be correc...