Choose the life that is most useful, and habit will make it the most agreeable.

Choose the life that is most useful, and habit will make it the most agreeable.

They are ill discoverers that think there is no land, when they can see nothing but sea.

If any human being earnestly desire to push on to new discoveries instead of just retaining and using the old; to win victories over Nature as a worker rather than over hostile critics as a disputant; to attain, in fact, clear and demonstrative knowlegde instead of attractive and probable theory; we invite him as a true son of Science to join our ranks.

The desire of excessive power caused the angels to fall; the desire of knowledge caused men to fall.

In all superstition wise men follow fools.

Brutes by their natural instinct have produced many discoveries, whereas men by discussion and the conclusions of reason have given birth to few or none.