They wear their hearts on their sleeves, and are childlike in the frank recitals of all they were and are and hope to be.

This covers up also a good deal of business acumen, shrewdness, and secretiveness which is not so childlike and bland.
In this they are in sharp contrast to those not native-born.

These come from many places on the earth, and they are seldom garrulously historical.

Some of them go to the prairie country to forget they ever lived before, and to begin the world again, having been hurt in life undeservingly; some go to bury their mistakes or worse in pioneer work and adventure; some flee from a wrath that would devour them--the law, society, or a woman.
This much must be said at once for Crozier, that he had no crime to hide.

It was not because of crime that "He buckles up his talk like the bellyband on a broncho," as Malachi Deely, the exile from Tralee, said of him; and Deely was a man of "horse-sense," no doubt because he was a horse-doctor--"a veterenny surgeon," as his friends called him when they wished to flatter him.