根据生物学的研究,一切生命都是有感觉的,但动物能够把感觉转变成记忆,而在所有动物中,只有人类才具备从记忆中提取经验的特殊能力。知识是最广义的经验。人类通过实践经验获取知识,知识使人类增进智慧,提高技能,改善生存状态。人类文明的发展是一个发现知识、积累知识、运用知识的过程。 According to the study of biology, all life is felt, but animals can turn sensations into memories, and in all animals, only humans have the special ability to extract experience from memory. Knowledge is the most generalized experience. Human beings acquire knowledge through practical experience. Knowledge makes human beings improve their wisdom, improve their skills and improve their living conditions. The development of human civilization is a process of discovering knowledge, accumulating knowledge and using knowledge.