One Thought That Occurs To Me Is

The Appearance Of Strength Is All About You. It Would Seem To Last Forever. However... The Rotten Tree-trunk, Until The Very Moment When The Storm-blast Breaks It In Two, Has All The Appearance Of Might It Ever Had. The Storm-blast Whistles Through The Branches Of The Empire Even Now. Listen... And You Will Hear The Creaking.

I Believe In Evidence. I Believe In Observation, Measurement, And Reasoning, Confirmed By Independent Observers. I'll Believe Anything, No Matter How Wild And Ridiculous, If There Is Evidence For It. The Wilder And More Ridiculous Something Is, However, The Firmer And More Solid The Evidence Will Have To Be.

I, On The Other Hand, Am A Finished Product. I Absorb Electrical Energy Directly And Utilize It With An Almost One Hundred Percent Efficiency. I Am Composed Of Strong Metal, Am Continuously Conscious, And Can Stand Extremes Of Environment Easily. These Are Facts Which, With The Self-evident Proposition That No Being Can Create Another Being Superior To Itself, Smashes Your Silly Hypothesis To Nothing.

A Robot Must Protect Its Own Existence As Long As Such Protection Does Not Conflict With The First Or Second Laws.

Grip The Nettle Firmly And It Will Become A Stick With Which To Beat Your Enemy.