Eureka, Eureka! (I found it, I found it!).

Mathematics reveals its secrets only to those who approach it with pure love, for its own beauty.

Man has always learned from the past. After all, you can't learn history in reverse!

Give me a place to stand, and a lever long enough, and I will move the world.

Give me but a firm spot on which to stand, and I shall move the earth.

Those who claim to discover everything but produce no proofs of the same may be confuted as having actually pretended to discover the impossible.

Rise above oneself and grasp the world.

There are things which seem incredible to most men who have not studied Mathematics.

Equal weights at equal distances are in equilibrium and equal weights at unequal distances are not in equilibrium but incline towards the weight which is at the greater distance.

Eureka! (I have found it!).

Any solid lighter than a fluid will, if placed in the fluid, be so far immersed that the weight of the solid will be equal to the weight of the fluid displaced. On floating bodies I, prop 5.

If after I die, people want to write my biography, there is nothing simpler. They only need two dates: the date of my birth and the date of my death. Between one and another, every day is mine.

Family: a foundation! Family: a ‘cloth’ keeps the ‘body’!

Luck is infatuated with the efficient.

In the old, sin contaminates. In the new, righteousness contaminates. It's a different day.

Experience first, then intellectualize.

There probably aren't a lot of actors my age who tap dance.

And if you stop and think about it you won't believe it's true: That all the love you've been giving has all been meant for you.

I don't have a religion because I don't like that word religion.

Before a standing army can rule, the people must be disarmed, as they are in almost every country in Europe.

Raising awareness, changing the marketplace, effecting spiritual change - whatever it is that you decide is your thing, go for it.