[jacquesm]

> He muttered to himself that hence that proves grasshoppers use their legs to hear

Not quite, but the location of the grasshoppers hearing organ is actually quite close to the legs!

[DonaldFisk]

In crickets, which together with grasshoppers are in the order Orthoptera, the hearing organs are actually on the legs: https://en.wikipedia.org/wiki/Cricket_(insect)

[dotancohen]

Many women would say the same about many men, who often don't hear a word that they are saying!