| 15658 | The hidden harmony is stronger than the visible [Heraclitus] |
| 16752 | Sight is the essence of the eye, fitting its definition; the eye itself is just the matter [Aristotle] |
| 16753 | Giving the function of a house defines its actuality [Aristotle] |
| 17206 | The essence of a thing is its effort to persevere [Spinoza] |
| 15976 | What is the texture - the real essence - which makes substances behave in distinct ways? [Locke] |
| 12750 | The question is whether force is self-sufficient in bodies, and essential, or dependent on something [Lenfant] |
| 12714 | The substantial form is the principle of action or the primitive force of acting [Leibniz] |
| 5056 | Material or immaterial substances cannot be conceived without their essential activity [Leibniz] |
| 13169 | I call Aristotle's entelechies 'primitive forces', which originate activity [Leibniz] |
| 13168 | My formal unifying atoms are substantial forms, which are forces like appetites [Leibniz] |
| 12722 | Thought terminates in force, rather than extension [Leibniz] |
| 12778 | There is active and passive power in the substantial chain and in the essence of a composite [Leibniz] |
| 12783 | Primitive force is what gives a composite its reality [Leibniz] |
| 13095 | Essence is primitive force, or a law of change [Leibniz] |
| 12713 | Forms have sensation and appetite, the latter being the ability to act on other bodies [Leibniz, by Garber] |
| 13087 | The essence of a thing is its real possibilities [Leibniz, by Cover/O'Leary-Hawthorne] |
| 12050 | Substances contain a source of change or principle of activity [Wiggins] |
| 16755 | The possible Aristotelian view that forms are real and active principles is clearly wrong [Fine,K, by Pasnau] |
| 21350 | If properties are powers, then causal relations are internal relations [Heil] |
| 12256 | We need to distinguish the essential from the non-essential powers [Oderberg] |
| 16767 | There is no centralised power, but we still need essence for a metaphysical understanding [Pasnau] |
| 17954 | Essence is a thing's necessities, but what about its possibilities (which may not be realised)? [Vetter] |
| 23711 | A power is a property which consists entirely of dispositions [Friend/Kimpton-Nye] |
| 23712 | Powers are qualitative properties which fully ground dispositions [Friend/Kimpton-Nye] |