The document discusses the three certainties required to create a valid private express trust: (1) intention, (2) subject matter, and (3) object. It provides details on each certainty, including examples from case law. For certainty of intention, the words used must show the settlor's clear intention to create a trust. For certainty of subject matter, the trust property must be clearly defined or ascertainable. For certainty of object, the beneficiaries must be human and ascertainable as individuals or as members of a defined class.