[of The Ether] It Is No Greater

Heavier-than-air Flying Machines Are Impossible.

If You Study Science Deep Enough And Long Enough, It Will Force You To Believe In God.

The Only Census Of The Senses, So Far As I Am Aware, That Ever Before Made Them More Than Five, Was The Irishman's Reckoning Of Seven Senses. I Presume The Irishman's Seventh Sense Was Common Sense; And I Believe That The Possession Of That Virtue By My Countrymen-i Speak As An Irishman.

I Can Never Satisfy Myself Until I Can Make A Mechanical Model Of A Thing. If I Can Make A Mechanical Model, I Can Understand It. As Long As I Cannot Make A Mechanical Model All The Way Through I Cannot Understand.

There Cannot Be A Greater Mistake Than That Of Looking Superciliously Upon Practical Applications Of Science. The Life And Soul Of Science Is Its Practical Application.