We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances.
To myself I am only a child playing on the beach, while vast oceans of truth lie undiscovered before me.
To me there has never been a higher source of earthly honor or distinction than that connected with advances in science.
To every action there is always opposed an equal reaction.
Tact is the art of making a point without making an enemy.
It is the weight, not numbers of experiments that is to be regarded.
If I have seen further than others, it is by standing upon the shoulders of giants.
If I have done the public any service, it is due to my patient thought.
I was like a boy playing on the sea-shore, and diverting myself now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.
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