Legal analysts say that tough questioning can indicate that a justice wants to be on certain ground when ruling in favour of a position, as well as indicating hostility to it.
Yet we have, for the most part, managed to agree on certain ground rules in the abortion controversy: it's acceptable to express your opinion and to criticize the other side, but it's not acceptable either to engage in violence or to encourage others to do so.
"Churches were set up on certain grounds.
Right of divorce was also vested basically in the husband, who could unilaterally repudiate his wife, although the woman could also sue her husband for divorce before a court on certain grounds.
In the UK, abortions are allowed on certain grounds, including that continuing with the pregnancy would be a greater risk to the woman's life, physical or mental health than ending the pregnancy, continuing would be more of a risk to the physical or mental health of any of the woman's existing children and if there was a real risk the child would have a serious physical or mental disability.
"In the past, I have been very, very lucky that I have scored a few on certain grounds I have been at before," said the 34-year-old.
The TRIPS agreement requires that countries make patents and all patent rights available 'without discrimination' on certain grounds.
While these guidelines note the importance of protecting the rights and interests of all stakeholders, and concede that access to data might be limited on certain grounds (including national security, trade secrets, conservation, legal process, and privacy and confidentiality), they approach these limitations with a view towards preserving as much sharing potential as possible.
As I looked at other shards on the ground, I thought of how Fawcett had once asserted in a letter that on certain high grounds in the Amazon "very little scratching will produce an abundance" of ancient pottery.
Not surprisingly, he was on less certain ground over immigration.
But, she wrote in an e-mail, "Trump is on less certain ground in attributing the crime increase to 'this administration's rollback of criminal enforcement'.
