Elements of Natural Philosophy 在线电子书 图书标签:
发表于2024-12-28
Elements of Natural Philosophy 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024
The great aim of this book is to present the most elementary facts of Natural Philosophy, in such a way as to exercise the child in constantly observing phenomena and in drawing inferences from what he observes. Whenever a child is old enough to ask questions as: "What makes the thunder?" or "Where does the rain come from?" or "Why are the clouds so pretty?" is old enough to begin the study of natural philosophy and God.
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Elements of Natural Philosophy 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024