Until I discover the meaning of this sentence, I will neither eat nor sleep. "My dear uncle-" I began. "Nor you either," he added.

What a big book, captain, might be made with all that is known!" "And what a much bigger book still with all that is not known!

Though sleep is called our best friend, it is a friend who often keeps us waiting!

Science, my boy, is composed of errors, but errors that it is right to make, for they lead step by step to the truth.

The Nautilus was piercing the water with its sharp spur, after having accomplished nearly ten thousand leagues in three months and a half, a distance greater than the great circle of the earth. Where were we going now, and what was reserved for the future?

With time and thought, one can do a good job.

An energetic man will succeed where an indolent one would vegetate and inevitably perish.