A Knowledge Of The True Age Of

Avoid The Temptation To Work So Hard That There Is No Time Left For Serious Thinking.

It Is Essential To Understand Our Brains In Some Detail If We Are To Assess Correctly Our Place In This Vast And Complicated Universe We See All Around Us.

The Ultimate Aim Of The Modern Movement In Biology Is In Fact To Explain All Biology In Terms Of Physics And Chemistry.

Our ... Advantage Was That We Had Evolved Unstated But Fruitful Methods Of Collaboration ... If Either Of Us Suggested A New Idea, The Other, While Taking It Seriously, Would Attempt To Demolish It In A Candid But Non-hostile Manner.

A Final Proof Of Our Ideas Can Only Be Obtained By Detailed Studies On The Alterations Produced In The Amino Acid Sequence Of A Protein By Mutations Of The Type Discussed Here.