It doesn’t matter what language the Buddha spoke…
Dharma is the same in any language. It only matters that you speak the truth, as best you know it. Because there is more than one kind of truth, and intent is primary. On the one hand there is mere propositional truth, in which a statement is either true or false based on the definitions inherent to the observable facts. On the other hand, there are opinions which may be subject to interpretation. Whether something is red or not can generally be agreed upon quite easily, subject to shifting shades and tones.
But whether the weather is cold or not might be heavily determined by what you are accustomed to. Then there is the kind of truth that relies on deep contemplation. This is the kind of truth—and thought—that philosophers like the Buddha specialized in. And here extra care is necessary. Because this kind of thought was largely pre-scientific and so avoided much of the rigor that scientific thought was subject to, albeit often only in the final testing.
Because deep thought is still invaluable in the conceptual phase of scientific thought, as Einstein himself recounts when remembering some of his happiest moments. But their truth can only be ascertained by thorough testing, which Plato’s Allegory of the Cave will never be subjected to, nor will Buddha’s Four Noble Truths. Because this is a different kind of truth, not a truth of the agreement of propositions in a logical syllogism. Thus, these are largely subjective truths which can only be agreed upon by consent or inspiration. And these may be the best kind of truths, because they become personal and must be assimilated.
streaming consciousness... 
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