Invention lies not in knowledge itself but in the ingenuity to apply it.

Do not think about a hundred things at once; think a hundred times about one thing.

Ask why five times.

Think on the shop floor; act on the shop floor.

If you don't give up, you still have a chance. Giving up is the greatest failure.

-- Jack Ma

It's easier to ask forgiveness than it is to get permission.

-- Grace Hopper

A ship in port is safe, but that's not what ships are built for.

-- Grace Hopper

The pursuit of science has often been compared to the scaling of mountains.

-- Subrahmanyan Chandrasekhar

I think that if you shake the tree, you ought to be around when the fruit falls to pick it up.

-- Mary Cassatt

Don't tell me I can't do it; don't tell me it can't be done.

-- Howard Hughes