Latin tutorial: https://www.youtube.com/watch?v=N_Q15B6IbWU
In the previous post we looked at the means / instrument by which something is done:
Milēs rēgem gladiō interfēcit. │ The king was killed by (means of) a sword; the ablative is referring to something inanimate.
The ablative of agent refers to the person by whom something is done.
Liber ā discipulō aperītur. │ The book is (being) opened by the student.
Laudātur ab hīs, culpātur ab illīs │ He is praised by these, blamed by those.
Ā fīliīs in iūdicium vocātus est. │ He was brought to trial by his sons.
