Fùmǔ bù yīnggāi bǎ zìjǐ de xiǎngfǎ guànshū gěi háizi.
Parents shouldn't force their own ideas onto their children.
Tips
memory
灌 (to pour/irrigate) + 输 (to transport) - pouring and transporting ideas into someone's head, like irrigation into a field.
usage
灌输 often carries a negative connotation of forcing ideas on someone, similar to 'indoctrinate.' In neutral contexts it can simply mean 'to impart' knowledge.