Famous quotes containing the words energy and/or threshold:
“Children are intensely invested in getting their way. They will devote more emotional and intellectual energy to winning arguments than parents ever will, and are almost always better rested.”
—Jean Callahan (20th century)
“On the threshold of any wholly new and momentous devoted enterprise, the thousand ulterior intricacies and emperilings to which it must conduct; these, at the outset, are mostly withheld from sight.”
—Herman Melville (1819–1891)