If you want to stop sinning, commit yourself to never stop praying.
—St. Teresa of Avila
(Not sure where the above quote comes from, but I heard Bishop Andrew Cozzens mention it in a video on prayer for a Catholic Watchmen event, and then when unsuccessfully searching online for the source, I also saw it listed in Fr. Park’s Top 10 Quotes About Prayer.)
But we cannot pray “at all times” if we do not pray at specific times…