The equations at which we arrive must be such that a person of any nation, by substituting the numerical values of the quantities as measured by his own national units, would obtain a true result.

In Science, it is when we take some interest in the great discoverers and their lives that it becomes endurable, and only when we begin to trace the development of ideas that it becomes fascinating.

I have looked into most philosophical systems and I have seen that none will work without God.

The true Logic for this world is the Calculus of Probabilities, which takes account of the magnitude of the probability.

Thoroughly conscious ignorance is the prelude to every real advance in science.

In every branch of knowledge the progress is proportional to the amount of facts on which to build, and therefore to the facility of obtaining data.

The only laws of matter are those that our minds must fabricate and the only laws of mind are fabricated for it by matter.

Faraday is, and must always remain, the father of that enlarged science of electromagnetism.

Mathematicians may flatter themselves that they possess new ideas which mere human language is as yet unable to express.

All the mathematical sciences are founded on relations between physical laws and laws of numbers.

It is of great advantage to the student of any subject to read the original memoirs on that subject, for science is always most completely assimilated when it is in the nascent state.

If you have to ask if you’ve done enough, you haven’t. Each day brings with it the opportunity to do more than you did yesterday.

The spirit awakens in weakness.

The questions people have are sometimes soulful, sometimes zany, sometimes incoherent. I want to make a 'zine with just the questions I get emailed to me.

The world is wide, wide, wide, and I am young, young, young, and we’re all going to live forever!

It’s your one last chance,” said Harry, “it’s all you’ve got left. . . .I’ve seen what you’ll be otherwise. . . . Be a man . . . try . . . Try for some remorse. . . .

The true system of the World has been recognized, developed and perfected...Everything has been discussed and analysed, or at least mentioned.

There's no staying where you were. If you're not doing anything, your skills and point of view are atrophying.

When I was building the Vietnam Memorial, I never once asked the veterans what it was like in the war, because from my point of view, you don't pry into other people's business.

I'm so into playing different characters, even when I was on Nickelodeon. I just observe.

The minute you start keeping score, you're destroying the relationship.