We have been acquainted with each other for a long time.

This plant produces achenes.

When I see his face, I recall the past.

The moment I heard his name, I recalled past memories.

He is leading a quiet life in the residence of a Buddhist monk.

He meditates at the Buddhist temple every day.

He was elected as the General Secretary of the party.

He is a person with integrity, so he never lies.

Please calculate the sum of this sequence.

He gazed at the blue waters and dreamed of freedom.