Henry Drummond may refer to: (wikipedia)
You will find as you look back upon your life that the moments when you have truly lived are the moments when you have done things in the spirit of love.
Happiness... consists in giving, and in serving others.
You will find as you look back upon your life that the moments when you have really lived are the moments when you have done things in the spirit of love.
No man can become a saint in his sleep.
There is no happiness in having or in getting, but only in giving.
Unless a man undertakes more than he possibly can do, he will never do all he can do.