'Diligently' in the Bible

Then will they call upon me, but I will not answer; They will seek me diligently, but they shall not find me:

Therefore came I forth to meet thee, Diligently to seek thy face, and I have found thee.

I love them that love me; And those that seek me diligently shall find me.

He that diligently seeketh good seeketh favor; But he that searcheth after evil, it shall come unto him.

When thou sittest to eat with a ruler, Consider diligently him that is before thee;