And of this rock (sel)’a, [It is stated of it, that nothing emerges except a few droplets, of the water of Torah, in these ‘decisions’, and because of: (Num. 20:11) And Moses struck the rock with his staff, twice – this caused that ] only a few droplets emerge from it: (Is. 28:10)... a little there and a little there.
And there are many controversies over these drops. And who causes this? The teachers of halakhah, of whom it is stated:ixBT Berakhot 31b ‘Anyone who teaches halakhah before his teacher is guilty of a capital offence’. And because of this: (Num. 20:10) Hear now, you ‘morim’∞rebels (teachers)! And because of them: And Moses struck the rock with his staff twice (see Num. 20:11).