"Collyer's mother: Beware of passion Hester. It always leads to something ugly. Hester Collyer: What would you replace it with? Collyer's mother: A guarded enthusiasm. It's safer." Classic lines from The Deep Blue Sea, and the sentiment of the England I grew up in. Passion, while interesting in poets, was a sign of weak character. One should always maintain an even keel, and in times of trial, a stiff upper lip. But when you're building a company, or developing a new product, or growing a team, passion is essential. It's [...]