Who lacks confidence speaks lies more readily.
Common sense is strengthened by joy.
Believe that none of the effort you put into coming closer to God is ever wasted - even if in the end you don't achieve what you are striving for.
Where there is no peace, prayers are not heard.
He who cannot accept reproof cannot become great.
Even if you can't sing well, sing. Sing to yourself. Sing in the privacy of your home. But sing.