There is a trend recently for people to completely misuse the word 'humble';
"our start-up got 300,000 users in the first month and then we closed with Sequoia. To be talked about in the same terms as Bill Gates and Warren Buffett was truly humbling."
Anyway, Nicholas Winton did things that really do make you feel humble - a bit worthless.
Sir Nicholas Winton who organised the rescue and passage to Britain of about 669 mostly Jewish Czechoslovakian children destined for the Nazi death camps before World War II in an operation known as the Czech Kindertransport. This video is the BBC Programme "That's Life" aired in 1988. The most touching video ever