To Be Always Seeking After The Useful

We Give Up Leisure In Order That We May Have Leisure, Just As We Go To War In Order That We May Have Peace.

Where It Is In Our Power To Act, It Is Also In Our Power To Not Act.

In Revolutions The Occasions May Be Trifling But Great Interest Are At Stake.

If Every Tool, When Ordered, Or Even Of Its Own Accord, Could Do The Work That Befits It... Then There Would Be No Need Either Of Apprentices For The Master Workers Or Of Slaves For The Lords.

While Most Of Those Who Hold That The Whole Heaven Is Finite Say That The Earth Lies At The Center, The Philosophers Of Italy, The So-called Pythagoreans, Assert The Contrary. They Say That In The Middle There Is Fire, And That The Earth Is One Of The Stars, And By Its Circular Motion Round The Center Produces Night And Day.