Ah....a parable....the way to dismiss something and reinterpret what you don't want to believe.
How awfully convenient.
No. That's what Christ himself flat out
said it was.
He made up a little story on the spot, because he intended for people to guess at its greater meaning.
A great lord (meant to represent Christ) leaves his lands so that he can inherit an even greater Kingdom (heaven). While he is gone, he leaves three servants in charge (Christians), and leaves them all with ten gold coins (the word of Christ). He commands them to invest those coins while he is gone, so the amount will grow.
While he is gone, the first servant invests his money wisely, and doubles the amount. The second also increases his, but not by as much. The third just buries his and does not grow it at all. Also while the lord is gone, a large number of peasants rebel, and say that they do not want to be ruled by the lord (they are meant to represent people who reject the word of Christ).
When the lord (again, Christ, this time in reference to the Second Coming) returns, he rewards the first servant with several cities to rule. He also rewards the second, but not as much. The third is punished for not accumulating more money, by having the ten coins he was originally given taken away. The lord orders the rebellious peasants executed for treason (i.e. sent to Hell). That
last line is what YS quoted.
Again, the whole thing is meant to be symbolic. It's talking about Christ's death (the lord's going away), the responsibility of Christians to spread his word in his absence (the three servants and the ten coins), and what will happen when he eventually returns on judgement day (those who have served him well will be rewarded, those who have rejected him will be punished).
Christ was no more telling Christians to kill non-believers than he was telling them to invest gold coins.