"Crafty men condemn studies; Simple men admire them; And wise men use them: For they teach not their own use: but that is a wisdom without them, and above them, won by observation."
- Francis Bacon
"Hope is a good breakfast, but it is a bad supper."
"Write down the thoughts of the moment. Those that come unsought for are commonly the most valuable."
"Neglect of mathematics work injury to all knowledge, since he who is ignorant of it cannot know the other sciences or things of this world. And what is worst, those who are thus ignorant are unable to..."
- Roger Bacon
"I would address one general admonition to all, that they consider what are the true ends of knowledge, and that they seek it not either for pleasure of the mind, or for contention, or for superiority ..."
"Now there are four chief obstacles in grasping truth, which hinder every man, however learned, and scarcely allow anyone to win a clear title to learning, namely, submission to faulty and unworthy aut..."
"For the things of this world cannot be made known without a knowledge of mathematics."
"If in other sciences we should arrive at certainty without doubt and truth without error, it behooves us to place the foundations of knowledge in mathematics."
"The inquiry of truth, which is the love-making, or the wooing of it, the knowledge of truth, which is the presence of it, and the belief of truth, which is the enjoying of it, is the sovereign good of..."
"Knowledge itself is power"