Hamlet: To what base uses we may return, Horatio! Why may not imagination trace the noble dust of Alexander, till he find it stopping a bung-hole? Horatio: 'Twere to consider too curiously, to consider so. One purpose of Horatio's line is to further the development of which theme?

Horatio's line in the excerpt passage above of Act V of the play Hamlet by William Shakespeare is to further develop the theme of "Too much questioning is dangerous"

Explanation:

This excerpt passage is from Act V of Hamlet purpose of Horatio's line "'Twere to consider too curiously, to consider so" i. e ("If you thought that you'd be thinking too much.") furthers the development of the theme "too much questioning is dangerous". The next scene of Ophelia's grave, Hamlet was in great despair for losing Ophelia, asks several questions to know what his mother and uncle feels and what can be done for Ophelia now, and indicates that he always loved her more than anyone. This Hamlet's behavior makes his mother to say that he is insane. Generally speaking, asking too many questions is known to put one at a life-threatening and endangering situation.