So we’ll make it easier: It’s perfectly OK to start a sentence with “and,” “but,” “or,” and all of those conjunctions. The Bible does it; the most persnickety writers do it; grammar authorities do it.

And, but and or are the three main coordinating conjunctions. They join two clauses which are grammatically independent of each other and would make sense if they stood alone. Compare the ...

Congress Congressional conjunction turns Supreme Court argument into grammar class Justices weigh if ‘and’ means ‘and’ in a criminal sentencing law The Supreme Court building at sunset.