These two sentences mean that your wish (academic success, family health in Thailand) is very obvious. Most people will know what the result will be, but you also know it in your heart, but you really hope it will be good.
I advise you to take a step back quickly, lest you fall into the pit;
These two sentences clearly state the meaning of the previous two sentences. It means not thinking about what will happen ... or you may fall into a misunderstanding and disturb your mood for a long time.
If you are studying in Thailand now, please concentrate on your studies, make efforts to improve, call your family more often or use the internet from time to time to show concern, do whatever you want, leave it to fate, and do more good deeds in peacetime. God will bless you. If not, please postpone the plan for a few days.
According to the signed text, please refer to!