Power and machinery, money and goods, are useful only as they set us free to live.

Who stops learning may be old.

Even a mistake may turn out to be the one thing necessary to a worthwhile achievement.

We do not make changes for the sake of making them, but we never fail to make a change when once it is demonstrated that the new way is better than the old way.

When I see an Alfa Romeo go by, I tip my hat.

Why use up the forests which were centuries in the making and the mines which required ages to lay down, if we can get the equivalent of forest and mineral products in the annual growth of the hemp fields?

Anyone who does anything useful will not go unpaid.