HM Queen Elizabeth II at Tweedbank Station

The speaker expresses delight at returning to the borders by train, highlighting the excitement and promise the railway brings to the countryside. Gratitude is extended to the First Minister and others for their kindness, acknowledging life's milestones. The speaker concludes by declaring the borders rail open.

What gratitude does the speaker express towards the audience?

What does the speaker imply about milestones in life?