学而不思则罔，思而不学则殆

To learn without thinking is confusing, to think without learning is dangerous (Confucius)

to learn / to study / to imitate / science / -ology

and / as well as / and so / but (not) / yet (not) / (indicates causal relation) / (indicates change of state) / (indicates contrast)

no; not so / (bound form) not; un-

to think / to consider

(conjunction used to express contrast with a previous clause) but / then / standard / norm / principle / to imitate / to follow / classifier for written items

(literary) (conjunction used to express contrast with a previous clause) but; then / (bound form) standard; norm / (bound form) principle / (literary) to imitate; to follow / classifier for written items

old variant of 罔[wang3]

to deceive / there is none / old variant of 網|网[wang3]

dangerous / perilous / to endanger / almost / probably / only