The Difference between Tell and Say
Without knowing the exact differences between the usage of tell and say, one will always run into difficulties when trying to express their ideas alternating the two verbs. In fact they are easy to remember!
26 Saying Therefore Phrases in English - English Grammar Here
26 Saying Therefore Phrases in English in line with because of this as reported by consequently resulting from for this reason for as much as in consequence in that event as a result in as much as it follows that on account of on the grounds accordingly since wherefore to that end then thus so hence thence end so ergo for