Inspirational Quotes

Words to motivate, inspire, and guide you.

Authorship Identity Logic Humor The author of the Iliad is either Homer or, if not Homer, somebody else of the same name.

Aldous Huxley

Science Reasoning Logic Nature Challenge Trying to understand the way nature works involves a most terrible test of human reasoning ability. It involves subtle trickery, beautiful tightropes of logic on which one has to walk in order not to make a mistake in predicting what will happen. The quantum mechanical and the relativity ideas are examples of this.

Richard P. Feynman

Nature Knowledge Logic Principle Nature is the source of all true knowledge. She has her own logic, her own laws, she has no effect without cause nor invention without necessity.

Leonardo da Vinci

Evidence Logic Existence Truth Absence of evidence is not evidence of absence.

Carl Sagan

Immigration Talent Logic Strategy The immigration issue is, I recognize, one that generates a lot of passion, but it does not make sense for us to want to push talent out.

Barack Obama

Logic Imagination Possibility Creativity Logic will get you from A to B. Imagination will take you everywhere.

Albert Einstein

Truth Fiction Reality Strangeness Logic It's no wonder that truth is stranger than fiction. Fiction has to make sense.

Mark Twain

Philosophy Logic Foundations Of Knowledge Rationality Critical Thinking Every philosophical problem, when it is subjected to the necessary analysis and justification, is found either to be not really philosophical at all, or else to be, in the sense in which we are using the word, logical.

Bertrand Russell

Logic Critical Thinking Anyone who conducts an argument by appealing to authority is not using his intelligence; he is just using his memory.

Leonardo da Vinci

Perception Logic Judgment Senses Reasoning Common Sense is that which judges the things given to it by other senses.

Leonardo da Vinci