The sense therefore is: we need not fear that should we ask of God our Father bread, that is doctrine or love, He will give us a stone; that is, that He will suffer our heart to be contracted either by the frost of hatred or by hardness of soul; or that when we ask for faith, He will suffer us to die of the poison of unbelief.
Thence it follows, “If then ye being evil.”
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).