Ether is the only substance we are confident of in dynamics. One thing we are sure of and that is the reality and substantiality of the luminferous ether. — Lord Kelvin Copy Share Image
Nothing can be more fatal to progress than a too confident reliance on mathematical symbols; for the student is only too apt to take the easier course, and consider the formula not the fact as the physical reality. — Lord Kelvin Copy Share Image
Christianity without the cross is nothing. The cross was the fitting close of a life of rejection, scorn and defeat. But in no true… — Lord Kelvin Copy Share Image
If you study science deep enough and long enough, it will force you to believe in God. — Lord Kelvin Copy Share Image
When you are face to face with a difficulty, you are up against a discovery. — Lord Kelvin Copy Share Image
I often say that when you can measure what you are speaking about, and express it in numbers, you know something about it; but… — Lord Kelvin Copy Share Image
Simplification of modes of proof is not merely an indication of advance in our knowledge of a subject, but is also the surest guarantee… — Lord Kelvin Copy Share Image
Quaternions came from Hamilton after his really good work had been done, and though beautifully ingenious, have been an unmixed evil to those who… — Lord Kelvin Copy Share Image
Do not imagine that mathematics is hard and crabbed, and repulsive to common sense. It is merely the etherealization of common sense. — Lord Kelvin Copy Share Image
Let nobody be afraid of true freedom of thought. Let us be free in thought and criticism; but, with freedom, we are bound to… — Lord Kelvin Copy Share Image
Symmetrical equations are good in their place, but ' vector ' is a useless survival, or offshoot from quaternions, and has never been of… — Lord Kelvin Copy Share Image
