Give me a lever long enough ...

Give me a lever long enough and a fulcrum on which to place it, and I shall move the world.
Give me a lever long enough and a fulcrum on which to place it, and I shall move the world.
 Archimedes

More phrases

If one does not know to which port one is sailing, no wind is favorable.
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
We are masters of the unsaid words, but slaves of those we let slip out.
I have always found that mercy bears richer fruits than strict justice.
A lie gets halfway around the world before the truth has a chance to get its pants on.

Quotes from the same author

Many people believe that the grains of sand are infinite in multitude ... Others think that although their number is not without limit, no number can ever be named which will be greater than the number of grains of sand. But I shall try to prove to you that among the numbers which I have named there are those which exceed the number of grains in a heap of sand the size not only of the earth, but even of the universe
 Archimedes
Give me a place to stand, and a lever long enough, and I will move the world.
 Archimedes
Give me but a firm spot on which to stand, and I shall move the earth.
 Archimedes