Give me a place to stand, and ...

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

Quotes from the same author

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