Sentence examples for substances can only from inspiring English sources

Since substances can only naturally arise during God's creation of the world and since substances cannot undergo fusion or fission, it is obvious that the number of substances must remain constant.

(The argument here is essentially that which was given above in the section describing the relation between PSR and PII; namely, what reason could God have had for instantiating two substances with identical CICs?) Further, why should it be the case that substances can only arise naturally in God's creation of the world and end in his annihilation?

Indeed, release of vasoactive or hormonal substances can only lead to downstream adaptation, but it is upstream adaptation that is required.

Under the new law, the substance can only be produced and distributed by "licensed agents".

If a substance is what "subsists by itself," "stands underneath," and "keeps up" a set of properties, then a mental substance can only be what subsists by itself, stands underneath, and keeps up mental properties.

But because the substance can only be prescribed to someone who already has an opiate prescription, it hasn't been able to help the majority of drug users who are at risk.

Here insight is to be found in Leibniz's belief that a simple substance can only vanish through annihilation, a composed substance only by decomposition.

For some, the only way to keep an illusion of youth is to cheat the body into thinking it can work via illegal substances that can only harm it in the long run.

But eventually the rice was brought along with two packets of a powdered medicine called Smecta (an unfamiliar substance I can only really think of as a superior alternative to Gaviscon), which became our loyal friend throughout the holiday.

And just as lovers of John Le Carré thought they had heard enough, the death of Mr Litvinenko, a former KGB agent, escalated into a public health scare after police discovered that evidence of a large quantity of polonium 210, a rare radioactive substance which can only enter the body via ingestion or through an open wound, had been discovered in his urine.

All these described steps of pharmacologically or agrochemically oriented substance research can only be conducted in private industries, especially when given the fact that many steps in industrial development are meant to optimize newly discovered basic principles and therefore are not suitable even for sophisticated master's or doctoral theses.