Sentence examples for exercise of kindness from inspiring English sources

Via Reihan Salam, I see that Virginia Postrel has published a tart response to Harvard College's attempt to pressure its incoming freshmen into taking a public pledge promising to place "the exercise of kindness … on a par with intellectual attainment" during their undergraduate careers.

What is perpetual kindness but the practice of kindness?

Practice random acts of kindness.

Practice the act of kindness.

Practice random acts of kindness every day.

Volunteer, practice random acts of kindness, and be generous.

Practice random acts and planned acts of kindness.

Use your manners as a form of kindness.

I will not abide lies, everyone has to exercise, and no matter how angry my kids might get with each other, I insist on basic standards of kindness.

Perform spontaneous acts of kindness.

There were also moments of kindness.