But rather than frustration, Vestager exudes quiet and determined determination to get to the bottom of the tax riddles.
The prime minister, Tony Abbott, said the government was "carefully studying" the judgment to determine an appropriate response, but he strongly signalled his determination to find a way to ensure the chaplaincy program continued.
"It also signifies the determination to become truly inclusive and relevant to all sections of society that it serves".
Ms Tuchman argued that a folly's success was marked by the determination of its supporters to pursue a foolish and failed policy in the face of clear arguments in favour of an alternative course.
This week's events have exposed the unresolved divisions in the party, and the determination in conservative ranks not to abandon an issue they believe is central to their cause.
It will not be defeated until our determination is as complete as theirs, our defence of freedom as absolute as their fanaticism, until our passion for the democratic way is as great as their passion for tyranny.
She insists she feels broadly hopeful about the role of her five parishes, but optimism in this context calls for a determination to look on the bright side.
To those of us who have toiled, often fruitlessly, over the past years on this issue, it is a huge achievement brought about by John Kerry, with sheer dogged determination, and the two leaders, by taking risks with their public opinion.
The correspondence, running for months, shows the determination of Cable to distance himself, and the Liberal Democrats, from a target that he regards as wrong, badly constructed and unachievable.
Ed spoke brilliantly about the 2008 financial crisis, corporate tax avoidance and other issues with candour and determination to fix these threats to society.
"Those who know you understand that you are a man of outstanding insight, fierce determination, and above all, courage.
