[61] Opp. vi. p. 29.
[62] Ibid. p. 446.
[63] In the Introduction to vol. iv. of the Opere.
[64] Autob. in Opp. iv. p. 402.
[65] Ibid.
IX
In the last years of his life Vico, enfeebled by age, domestic trouble and illness, "entirely gave up his studies":[66]
My pen is slipping from my palsied grasp;
The door of my thought's treasury is closed,[67]