Science is knowledge certain and evident in itself, or by the principles from which it is deducted, or with which it is certainly connected. It is subjective, as existing in the mind; objective, as embodied in truths; speculative, as leading to do something, as in practical science.
The ideal is to be obtained by selecting and assembling in one whole the beauties and perfections which are usually seen in different individuals, excluding everything defective or unseemly, so as to form a type or model of the species.
The term intellect includes all those powers by which we acquire, retain, and extend our knowledge; as perception, memory, imagination, judgment, and the like.