at pleasure
By arbitrary will or choice.
Allow the president to invade a neighboring nation, whenever he shall deem it necessary to repel an invasion, and you allow him to do so whenever he may choose to say he deems it necessary for such a purpose - and you allow him to make war at pleasure. Abraham Lincoln
It is always by way of pain one arrives at pleasure. Marquis de Sade
Is the Airship Possible? That depends, first of all, on whether we are to make the requisite scientific discoveries... the construction of an aerial vehicle ... which could carry even a single man from place-to-place at pleasure requires the discovery of some new metal or some new force. Simon Newcomb
A government that can at pleasure accuse, shoot, and hang men, as traitors, for the one general offence of refusing to surrender themselves and their property unreservedly to its arbitrary will, can practice any and all special and particular oppressions it pleases. Lysander Spooner
To say that any State may at pleasure secede from the Union, is to say that the United States are not a nation. Andrew Jackson
Pigeons are taken when crows fly at pleasure. German Proverb