Matt.6.34  "Therefore do not be anxious about tomorrow, for tomorrow will be anxious for itself. Let the day's own trouble be sufficient for the day.
2Cor.2.16  to one a fragrance from death to death, to the other a fragrance from life to life. Who is sufficient for these things?
2Cor.12.9  but he said to me, "My grace is sufficient for you, for my power is made perfect in weakness." I will all the more gladly boast of my weaknesses, that the power of Christ may rest upon me.