We left quietly so as not to disturb the widow's pensiveness.

if weather be fair and tidy

Derrick gave his small portmanteau to the flyman and told him to drive there, and he himself set out walking.

Finally, as a different example, if ℭ is the category of topological spaces and continuous maps then the group theory is topological groups. A categorical free group in this context is a free group within one of these group theories — that is, a group for which there is a basis such that any morphism in the category can be extended to a group homomorphism.