No sooner is the rage of hunger appeased than it becomes difficult to comprehend the meaning of starvation. It is only when you suffer that you really understand.

As for difficulties," replied Ferguson, in a serious tone, "they were made to be overcome.

I am nothing to you but Captain Nemo; and you and your companions are nothing to me but the passengers of the Nautilus.

All great actions return to God, from whom they are derived.

Look with all your eyes, look.

An English criminal, you know is always better concealed in London than anywhere else.

Science, my lad, is made up of mistakes, but they are mistakes which it is useful to make, because they lead little by little to the truth.