The phrase "a mature statement" is correct and usable in written English.
It can be used to describe a statement that reflects a high level of thoughtfulness, responsibility, or emotional intelligence.
Example: "Her response to the criticism was a mature statement that demonstrated her ability to handle difficult situations gracefully."
Alternatives: "a thoughtful remark" or "a responsible comment."
"We wanted a mature statement for Cadillac where simplicity and subtle adornments create a purposeful presence".
A mature statement of both themes can be found in Obscure Destinies (1932).
In 1854 he published An Investigation into the Laws of Thought, on Which Are Founded the Mathematical Theories of Logic and Probabilities, which he regarded as a mature statement of his ideas.
Labour's solution in 1993, proposed in the National Policy Forum document A New Agenda for Democracy, was to incorporate the ECHR into UK law as a "mature statement of rights" which the UK was already signed up to "that has been interpreted and applied over many years".
A long correspondence and friendship with the Nobel Prize-winning physicist Wolfgang Pauli stimulated a final, mature statement of Jung's thinking on synchronicity, originally published in 1952 and reproduced here.
I come away from those sessions thinking that the field of health services research is now well enough established that it deserves a more mature statement defining our field than we have heretofore enjoyed.
A well-focussed, mature statement of purpose that answers "why linguistics?" and "why Berkeley?" A strong writing sample, preferably relevant to your aims in our program.
Here, on his twelfth set, he emerges with a mature, crafted statement using a mixture of originals and numbers by the Beatles, Burt Bacharach and Paul Simon.
"One needs to restart, and it needs a mature adult statement that this was not what we intended," Foxman said in an interview published Friday.
According to Jam, the band were not trying to make a mature musical statement with the album, but rather to "impress their parents".
