Sam Houston was a larger-than-life personality, and such people are not usually known for being adaptable. Not so Sam.
As these excerpts from his letters show, Houston was able to adapt his writing voice to his audience, sometimes in surprising ways.
There's defiant, belittling Sam:
Letter to Santa Anna - 1844
I regret, sir, extremely, that it has been my duty thus to advert to circumstances which must be as disagreeable to you as to myself. But you have invoked it.
You have denounced war, and intend to prosecute it. Do it presently. We will abide the result. Present yourself witha force that indicates a desire of conquest, and with all the appendages of your power, and I may respect your effort But the marauding incursions which have heretofore characterized your molestation, will only deserve the contempt of honorable minds. I have the honor, etc., etc. Sam Houston
And finally...we have Houston the lover: