Books preserve the [quote=joythblessy] They are able to give the basic information
great thoughts[/quote]
It improves our creativity and imagination. Besides, it holds all knowledge gained by previous generations through their observation and experience.
the use of "it" here is ambiguous. If it means basic information, it cannot hold knowledge. if It means books, "it" has to be changed into "they"
human kinds=> humankind
but only a few went have gone into space so far
awareness( maybe it can be replaced with other words to indicate the exact meaning)
it HELPS to learn
DEPENDENT
Experience is limited to our own and that of other people we KNOW well.
swimming cannot BE learnED
move forward=> make more progress
bookish, which is often used to describe bookworms, is a little negative in meaning