Sarvadarshanasangraha 2.22

2.22

(ii) In the second case, it would never perform [them], because causal efficacy is invariably connected with capacity alone; and because of the converse: whatever does not do something at a given time is not capable of it at that time, just as a piece of stone [is incapable] with respect to a sprout; and at the time of performing the present causal action, this does not perform the past and future causal actions.