Money is a great servant but a bad master.

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.

When any of the four pillars of government-religion, justice, counsel, and treasure-are mainly shaken or weakened, men had need to pray for fair weather.

There is a difference between happiness and wisdom: he that thinks himself the happiest man is really so; but he that thinks himself the wisest is generally the greatest fool.

For knowledge, too, is itself power.

I think I tend to destroy the better paintings, or those that have been better to a certain extent. I try and take them further, and they lose all their qualities, and they lose everything. I think I would say that I destroy all the better paintings.

There are and can be only two ways of searching into and discovering truth. The one flies from the senses and particulars to the most general axioms, and from these principles, the truth of which it takes for settled and immovable, proceeds to judgment and to the discovery of middle axioms. And this way is now in fashion. The other derives axioms from the senses and particulars, rising by a gradual and unbroken ascent, so that it arrives at the most general axioms last of all. This is the true way, but as yet untried.