An able man shows his Spirit by gentle words and resolute actions.

Lord Chesterfield (1694-1773) English statesman, wit [Philip Dormer Stanhope]

Letter (1758-01-15) to Philip Stanhope (his son), No. 298 (enclosed maxims)
    (Source)

Labeled as letter #297 in the linked source, but #298 in the volume I am using as reference, which does not include the maxims.