Undertake with anyone, you do not have to undertake to keep themselves and others, trouble. This lesson makes me change the idea that from now on will not have a contract with anyone else.
Who are committed to I do not making a commitment to yourself and others. This lesson made me change my opinion that from now on it will not make promises to one another.
Promise to anyone. Can, as promised to make yourself and others in trouble. This lesson changed my mind that from now on will not promise to anyone else.