Crossword puzzle clue "feel uncertain about"

Early and influential stand-up comedian Mort who said, "Liberals feel unworthy of their possessions. Conservatives feel they deserve everything they've stolen" haha I feel that

Feel uncertain about

1959 hit with the lyric "One day I feel so happy, next day I feel so sad"

Ratt "Feel the heat of the rhythm. Feel the heat of my hand. ___"

Uncertain about the existence of God

At ___ (uncertain)

Touch ___ (very uncertain): 2 wds.

Uncertain number