If There Is Something Very Slightly Wrong

This Attitude Of Mind - This Attitude Of Uncertainty - Is Vital To The Scientist, And It Is This Attitude Of Mind Which The Student Must First Acquire. It Becomes A Habit Of Thought. Once Acquired, We Cannot Retreat From It Anymore.

It Requires A Much Higher Degree Of Imagination To Understand The Electromagnetic Field Than To Understand Invisible Angels. ... I Speak Of The E And B Fields And Wave My Arms And You May Imagine That I Can See Them ... [but] I Cannot Really Make A Picture That Is Even Nearly Like The True Waves.

You See, One Thing Is, I Can Live With Doubt And Uncertainty And Not Knowing. I Have Approximate Answers And Possible Beliefs And Different Degrees Of Certainty About Different Things... It Doesn't Frighten Me.

We've Learned From Experience That The Truth Will Out.

Philosophy Of Science Is About As Useful To Scientists As Ornithology Is To Birds.