When the mind once allows a doubt to gain entrance, the value of deeds performed grow less, their character changes, we forget the past and dread the future.
To live in a great idea means to treat the impossible as though it were possible. It is just the same with a strong character; and when an idea and a character meet, things arise which fill the world with wonder for thousands of years.
There may be no heroic connotation to the word “persistence,” but the quality is to the character of man what carbon is to steel.[Also known as:]Persistence is to the character of man as carbon is to steel.
The psychology of character is interesting. One cannot be interested in crime without being interested in psychology. It is not the mere act of killing, it is what lies behind it that appeals to the expert.
Temperament refers to the mode of reaction and is constitutional and not changeable; character is essentially formed by a person’s experiences, especially of those in early life, and changeable, to some extent, by insights and new kinds of experiences.