I not only use all the brains that I have, but all that I can borrow.

I not only use all the brains I have but all I can borrow.

I not only use all the brains that I have, but all that I can borrow.

We should not only use the brains we have, but all that we can borrow

I not only use all the brains that I have, but all I can borrow.

The only use of an obstacle is to be overcome. All that an obstacle does with brave men is, not to frighten them, but to challenge them.