Be Attentive, Feel Nothing In Vain, Measure

Above All Things Expand The Frontiers Of Science: Without This The Rest Counts For Nothing.

A Man Of Spirit Must Not Think Of The Word Difficulty As So Much As Existing. Away With It!

Doubt Must Be No More Than Vigilance, Otherwise It Can Become Dangerous.

There Is Something In Our Minds Like Sunshine And The Weather, Which Is Not Under Our Control. When I Write, The Best Things Come To Me From I Know Not Where.

If You Are Going To Build Something In The Air It Is Always Better To Build Castles Than Houses Of Cards.