The name Shatner is Austrian and partly Germanic, and there's Germanic reticence and silence perhaps, but there is passion underneath.

The post on her left was occupied by Mr. Erskine of Treadley, an old gentleman of considerable charm and culture, who had fallen, however, into bad habits of silence, having, as he explained once to Lady Agatha, said everything that he had to say before he was thirty.

Never miss a good chance to shut up.

My name is William Shatner, and I am Canadian!

I don't think..." then you shouldn't talk, said the Hatter.

It is always assumed by the empty-headed, who chatter about themselves for want of something better, that people who do not discuss their affairs openly must have something to hide.