'Sufficient' in the Bible

Take therefore no thought for the morrow: for the morrow shall take thought for the things of itself. Sufficient unto the day is the evil thereof.

For which of you, intending to build a tower, sitteth not down first, and counteth the cost, whether he have sufficient to finish it?

Philip answered him, Two hundred pennyworth of bread is not sufficient for them, that every one of them may take a little.

Sufficient to such a man is this punishment, which was inflicted of many.

To the one we are the savour of death unto death; and to the other the savour of life unto life. And who is sufficient for these things?

Not that we are sufficient of ourselves to think any thing as of ourselves; but our sufficiency is of God;

And he said unto me, My grace is sufficient for thee: for my strength is made perfect in weakness. Most gladly therefore will I rather glory in my infirmities, that the power of Christ may rest upon me.