The debate over the kippah:
The "Scientific" "Rational" Jew insisted that since no verse can
be found in the Torah that a kippah should be worn, it is not
Responded the more observant Jew, "Yes, it is there! In the verse
about Abraham praying to Hashem."
"How can that be?" queries the other?
"Because a good Jew like Abraham would pray with a kippah!"