Thomas Jefferson was not only a man of ideas, he was also a man of 16 a().He believed that , rather than simply learn from reading, one should engage in 17 p() investigations to gain knowledge from its 18 s()----the world and the people.He also believed that one could 19 o() valuable knowledge not only from 20 e() people of higher classes, but from people of humble 21 o().Jefferson felt that one must think for himself rather than simply seek 22 a() with others; and that it was wrong to 23 g() out of one’s way to avoid disagreement or 24 c().In spite of his critics, Jefferson 25 c() held to and 26 a() 27 o() his own beliefs.Americans owe much to Thomas Jefferson for the legacy of ideas and examples he 28 l() 29b().