Life Is Too Short For Long-term Grudges.

It's Not As Though We Can Keep Burning Coal In Our Power Plants. Coal Is A Finite Resource, Too. We Must Find Alternatives, And It's A Better Idea To Find Alternatives Sooner Then Wait Until We Run Out Of Coal, And In The Meantime, Put God Knows How Many Trillions Of Tons Of Co2 That Used To Be Buried Underground Into The Atmosphere.

You Need To Live In A Dome Initially But Over Time You Could Terraform Mars To Look Like Earth And Eventually Walk Around Outside Without Anything On. ... So It's A Fixer-upper Of A Planet.

Great Companies Are Built On Great Products.

The Biggest Mistake, In General, I've Made, Is To Put Too Much Of A Weighting On Someone's Talent And Not Enough On Their Personality. And I've Made That Mistake Several Times. I Think It Actually Matters Whether Somebody Has A Good Heart, It Really Does. I've Made The Mistake Of Thinking That It's Sometimes Just About The Brain.

To Our Knowledge, Life Exists On Only One Planet, Earth. If Something Bad Happens, It's Gone. I Think We Should Establish Life On Another Planet-mars In Particular-but We 're Not Making Very Good Progress. Spacex Is Intended To Make That Happen.