It is conceivable that animal life might have the attribute of using the heat of surrounding matter, at its natural temperature, as a source of energy for mechanical effect . . . .The influence of animal or vegetable life on… — 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 sense have these things ceased or changed. Jesus is still He whom man despiseth, and the rejected of men. The world has never admired Jesus, for moral courage is yet needed in every one of its… — Lord Kelvin Copy Share
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
