Safety-valve Quotes

Purring would seem to be, in her case, an automatic safety-valve device for dealing with happiness overflow. (Monica Edwards)
Political self-government, central and local, was an English invention, imported into Scotland by the Grey Ministry, but intensely popular in spite of its foreign origin. Although in temper, creed and outlook on life the Scottish people were less submissive than the English, the civil institutions of their country contained in 1830 no elements of popular election such as always existed here and there in the south of the island. There was no safety-valve for all that pent energy. The Reform Bill, in England an evolution, in Scotland was a revolution, veiled in form of law, and the passions aroused over it had been proportionately more fierce. View quote
G. M. Trevelyan