One autumn day, Nana took the children to Minerva Square in Cat Forest to collect ginkgo nuts. Carrying gloves and baskets, they picked up the ripe orange nuts one by one.

Nana gently reminded them to keep their gloves on, because the nuts could irritate their hands. She also asked them to place everything they collected into the basket.

As they worked, each child thought of someone who was important to them. That thought made the activity even more meaningful.

"Look! I picked up this many!" Melody said, raising her basket high.

"That's amazing. You did a wonderful job," Nana said, gently stroking her head.

"Thank you," Melody answered, looking both happy and shy.

Other children also spoke proudly. One said he had collected thirty nuts for his mother, while another said she had gathered forty for her grandpa.

Each time Nana heard such words, she smiled and replied, "How beautiful. Thank you."

Before they noticed it, the square had become filled with gentle, caring voices.

After thinking for a moment, Nana answered softly, "Because saying 'thank you' makes the inside of our hearts feel warm."

Several days later, the ginkgo nuts were washed, dried, and turned into a delicious dish. When Grandpa and Uncle K tasted them, they said, "Thank you. These are truly delicious."

The children smiled proudly, though they were a little embarrassed.

The story reminds us that happiness does not need to come from something grand. A simple word can change a person's day, and today's gratitude can become tomorrow's kindness.