[218] and yet for men, for the sake of that most beautiful and desirable of all possessions, the only one which is peculiar to the human race, namely, wisdom, to be unwilling to cross over every sea and to penetrate every recess of the earth, inquiring whenever they can find anything beautiful either to see or to hear, and tracing out such things with all imaginable zeal and earnestness, until they arrive at the enjoyment of the things which are thus sought for and desired.