Recent Questions - Mi Yodeya

So I recall somewhere (probably in the Gemara) that if a person is called by a certain name for 30+ days, that name becomes his new name. Is that true? I know the sages always said things that have important meaning behind them, so does this have deep meaning? Is it something that we only did in the past, or a practical thing that we still do?

I know that this is quibbling over a translation, but I don't have access to the translators themselves, so I'm wondering if anyone knows of a justification.

In Bereishit 14:18, the text reads

וּמַלְכִּי־צֶ֙דֶק֙ מֶ֣לֶךְ שָׁלֵ֔ם הוֹצִ...

I am researching some words which can show the agenda of different translators. One way to understand what a translator knew or cared about is to look for words which have a generally accepted meaning, and an exception -- a case where Jews understand the word to mean something totally different regardless of its spelling or linguistic similarity to the mass of its uses, and s...

The LORD said to Abram, “Go forth ... to the land that I will show you." Genesis.12.1

And He said, “Take your son... and offer him there as a burnt offering on one of the heights that I...

In my life, I've decided I will worry about nothing, but as David Hamelech says in psalms, lean on the Lord.

What are some good prayers I can say in times of stress, times of turmoil, etc? Can I just say various psalms, and can I say them as much as I want (which would basically be all day)? I just say baruch hashem, shema, and various pieces I know. I guess prayers ar...