All Evil Is Good Become Cancerous.

Goodbye, Hari, My Love. Remember Always--all You Did For Me.” -i Did Nothing For You.” -you Loved Me And Your Love Made Me--human.

Aimless Extension Of Knowledge, However, Which Is What I Think You Really Mean By The Term Curiosity, Is Merely Inefficiency. I Am Designed To Avoid Inefficiency.” -r. Daneel Olivaw

Suppose That We Are Wise Enough To Learn And Know - And Yet Not Wise Enough To Control Our Learning And Knowledge, So That We Use It To Destroy Ourselves? Even If That Is So, Knowledge Remains Better Than Ignorance. It Is Better To Know - Even If The Knowledge Endures Only For The Moment That Comes Before Destruction - Than To Gain Eternal Life At The Price Of A Dull And Swinish Lack Of Comprehension Of A Universe That Swirls Unseen Before Us In All Its Wonder. That Was The Choice Of Achilles, And It Is Mine, Too.

The Law Of Conservation Of Energy Tells Us We Can't Get Something For Nothing, But We Refuse To Believe It.

At Two-tenths The Speed Of Light, Dust And Atoms Might Not Do Significant Damage Even In A Voyage Of 40 Years, But The Faster You Go, The Worse It Is--space Begins To Become Abrasive. When You Begin To Approach The Speed Of Light, Hydrogen Atoms Become Cosmic-ray Particles, And They Will Fry The Crew. ...so 60,000 Kilometers Per Second May Be The Practical Speed Limit For Space Travel.