The earliest example known to me of replaced body parts is exemplified by a Mayan skull dating back to 1400 BC. In this skull, false teeth made of stone had been implanted.

The study of truth requires a considerable effort - which is why few are willing to undertake it out of love of knowledge - despite the fact that God has implanted a natural appetite for such knowledge in the minds of men.

We all know that any emotional bias -- irrespective of truth or falsity -- can be implanted by suggestion in the emotions of the young, hence the inherited traditions of an orthodox community are absolutely without evidential value.... If religion were true, its followers would not try to bludgeon their young into an artificial conformity; but would merely insist on their unbending quest for truth, irrespective of artificial backgrounds or practical consequences. With such an honest and inflexible openness to evidence, they could not fail to receive any real truth which might be manifesting itself around them. The fact that religionists do not follow this honourable course, but cheat at their game by invoking juvenile quasi-hypnosis, is enough to destroy their pretensions in my eyes even if their absurdity were not manifest in every other direction.

That's the problem with you nearly immortal types," I said. "You couldn't spot a pop culture reference if it skittered up and implanted an embryo down your esophagus.

A desire to resist oppression is implanted in the nature of man.

Anger is implanted in us as sort of sting to make us gnash with our teeth against the devil to make us vehement against him not to set us in array against each other.