Nothing is so dangerous to the progress of the human mind than to assume that our views of science are ultimate, that there are no mysteries in nature, that our triumphs are complete and that there are no new worlds to conquer.

Language is not only the vehicle of thought, it is a great and efficient instrument in thinking.

But if the two countries or governments are at war, the men of science are not. That would, indeed be a civil war of the worst description: we should rather, through the instrumentality of the men of science soften the asperities of national hostility. Davy's remarks to Thomas Poole on accepting Napoleon's prize for the best experiment on Galvanism.

Experimental science hardly ever affords us more than approximations to the truth; and whenever many agents are concerned we are in great danger of being mistaken.

The well-mannered man never puts out his hand in greeting until a lady extends hers. This is a test of good breeding that is constantly applied. ... The first move in the direction of cordiality must come from the lady, the whole code of behaviour being based on the assumption that she is the social superior.

If I am allowed to give a metaphorical allusion to the future state of the blessed, I should imagine it by the orange-grove in that sheltered glen on which the sun is now beginning to shine, and of which the trees are at the same time, loaded with sweet golden fruit and balmy silver flowers. Such objects may well portray a state in which hope and fruition become one eternal feeling.

In the present state of our knowledge, it would be useless to attempt to speculate on the remote cause of the electrical energy... its relation to chemical affinity is, however, sufficiently evident. May it not be identical with it, and an essential property of matter?