hard-and-fast

There’s no hard-and-fast rule about how long a jury must keep attempting to resolve differences before a mistrial can be declared.

The famed neuroscientist and author reaches through the abstract realm of academic debates on consciousness by climbing down a richly biographical thread, connecting the high-minded with hard-and-fast reality.

“There are no hard-and-fast rules, only general guidelines and varied court decisions,” according to a digest by Stanford University librarians.

Whether Atlantic, chinook, sockeye, pink, coho or chum, sustainability depends on a variety of factors so there is no hard-and-fast rule.

There are no hard-and-fast rules; Horning recommends two to three months, while Robinson thinks the longer the better.