Live your life so that the fear of death can never enter your heart. When you arise in the morning, give thanks for your food and the joy of living. And if perchance you see no reason for giving thanks, rest assured the fault is in yourself.
The elder warned us not to pray while our hearts were steeped in unprayerful feelings, without thoughts wandering as they chose. Prayer is not a mechanical activity, but a confrontation, a conversation with the Holy Presence. Pray humbly, then, in awe of God.