understand

Now, to follow out this reasoning, what is the marvellous?—that which we do not understand.

Now, to see things which I cannot understand, to procure impossibilities, these are the study of my life.

“But,” replied the owner, glancing after Dantès, who was watching the anchoring of his vessel, “it seems to me that a sailor needs not be so old as you say, Danglars, to understand his business, for our friend Edmond seems to understand it thoroughly, and not to require instruction from anyone.”

Miller, I had indeed to go campaigning before, but I was barbed from counter to tail, and a man went along to groom me; and now I cannot understand what ailed me to prefer the mill before the battle.” “Forbear,” said the Miller to him, “harping on what was of yore, for it is the common lot of mortals to sustain the ups and downs of fortune.”