'Whether' in the Bible

And who knoweth whether he is wise or foolish? yet he doth rule over all my labour that I have laboured at, and that I have done wisely under the sun! this also is vanity.

Sweet is the sleep of the labourer whether he eat little or much; and the sufficiency of the wealthy is not suffering him to sleep.

And so I have seen the wicked buried, and they went in, even from the Holy Place they go, and they are forgotten in the city whether they had so done. This also is vanity.

In the morning sow thy seed, And at even withdraw not thy hand, For thou knowest not which is right, this or that, Or whether both of them alike are good.

For every work doth God bring into judgment, with every hidden thing, whether good or bad.'