Let no one despise you for your youth, but set the believers an example in speech, in conduct, in love, in faith, in purity.
-- 1 Timothy 4:12
Therefore we do not lose heart. Though outwardly we are wasting away, yet inwardly we are being renewed day by day.
-- 2 Corinthians 4:16
I can do all things through him who strengthens me.
-- Philippians 4:13
For God did not give us a spirit of timidity, but a spirit of power, of love and of self-discipline.
-- 2 Timothy 1:7
For where your treasure is, there will your heart be also.
-- Matthew 6:21