Science is bound, by the everlasting vow of honour, to face fearlessly every problem which can be fairly presented to it.

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 have not the smallest molecule of faith in aerial navigation other than ballooning, or of the expectation of good results from any of the trials we heard of. So you will understand that I would not care to be a member of the Aeronautical Society.

Science is bound, by the everlasting vow of honour, to face fearlessly every problem which can be fairly presented to it.

The atheistic idea is so nonsensical that I do not see how I can put it in words.

There is nothing new to be discovered in physics now. All that remains is more and more precise measurement.

In science there is only physics; all the rest is stamp collecting.