Always feel gratitude in your heart, and give unstintingly of your wealth, physical strength, mental effort, and wisdom.

随时随地心存感激，以财力、体力、智慧、心力、来做一切的奉献。

youdao

No matter how hard up and frugal my friends themselves were, they would unstintingly share with me whatever they had, although they knew I would not be able to repay them for their kindness.

每一个朋友，不管他自己的生活是怎样苦，怎样简单，也要慷慨地分一些东西给我，虽然明知道我不能够报答他。

youdao

In Confucian China and Japan, all parents will make these investments unstintingly, and to a degree that Westerners might find over-the-top, both in terms of financial sacrifice and in demands and pressure on the child.

FORBES: Demographic Decline and Investment Intensity in Children -- Observations on China and Japan

It was unstintingly social.

FORBES: Thoreau's Idea Hunt, and Ours