A life of commitment to causes that are generally defined as worthy — like feeding and clothing the poor or ministering to the ill — but that do not move the person participating in them will lack meaningfulness in this sense.
It was a time when commitment to causes like that was much stronger so they received personal letters from people all over the country, saying: "I'm writing to my MP about this".
From her late mother, Angelina Jolie inherited the acting bug and a commitment to humanitarian causes.
Barely scraping by, Rick and Jane nevertheless insist on maintaining as much as possible a commitment to right causes.
They may fear that a commitment to social causes might undermine the VCs' all-consuming quest for profits.
Other countries have rainforests and nice climates, too, but Costa Rica has used every opportunity to reinforce its branding as the nature destination, from the tourist board's slogan ("No Artificial Ingredients") to a commitment to environmental causes and policies.
She's got a commitment to a cause, and she sticks to it".
Even where people share a commitment to a cause, they make different judgements about their level of involvement, or sacrifices in terms of personal spending.
The owner, Flavien Desoblin, and his spirit sommelier, Ethan Kelly, have amassed a serious collection of vintages stretching back to the beginning of the last century, and their employees display a commitment to the cause of spirits that borders on the fanatical.
For the British royal family, a commitment to the cause of conservation is a long-standing one.
