Craniology, phrenology and eugenics, once-respectable fields of endeavour that are now regarded with a shudder, may shriek from time to time, but few sane people pay attention to them.
In a concerted bid never to look foolish, we don't venture very far from our cocoon, and thereby – from time to time at least – miss out on the best opportunities of our lives.
There sat the poor little fellow, with his sister on his lap, and he sang to her all the songs he knew; and he glanced the while from time to time into the geography-book that lay open before him.
The Constitution states that the president shall from time to time give the Congress information of the State of the Union, and recommend to their consideration such measures as he shall judge necessary and expedient.