To affirm or utter a solemn declaration, with an appeal to God for the truth of what is affirmed; to make a promise, threat, or resolve on oath; also, to affirm solemnly by some sacred object, or one regarded as sacred, as the Bible, the Koran, etc.
To give evidence on oath; as, to swear to the truth of a statement; he swore against the prisoner.
To make an appeal to God in an irreverant manner; to use the name of God or sacred things profanely; to call upon God in imprecation; to curse.
To utter or affirm with a solemn appeal to God for the truth of the declaration; to make (a promise, threat, or resolve) under oath.
To put to an oath; to cause to take an oath; to administer an oath to; -- ofetn followed by in or into; as, to swear witnesses; to swear a jury; to swear in an officer; he was sworn into office.
To declare or charge upon oath; as, he swore treason against his friend.
I think happiness is a choice. If you feel yourself being happy and can settle in to the life choices you make, then it's great. It's really, really great. I swear to God, happiness is the best makeup. Drew Barrymore
When angry, count to four; when very angry, swear. Mark Twain
A lot of people don't realize that depression is an illness. I don't wish it on anyone, but if they would know how it feels, I swear they would think twice before they just shrug it. Jonathan Davis
I swear, by my life and my love of it, that I will never live for the sake of another man, nor ask another man to live for mine. Ayn Rand
I swear to the Lord, I still can't see, why Democracy means, everybody but me. Langston Hughes