He believed in the proverb 'good things come to those who wait', and continued to wait patiently.

I came, I saw, and I won.

He has done everything he can to prepare for the exam, and now he is in a state of 'doing all that is humanly possible and waiting for fate to take its course'.

As the phrase 'If it does not sing, let's wait until the cuckoo sings' suggests, we should wait patiently until the opportunity comes.

He spent his money as quickly as 'a duck comes bearing green onions', which means a fool and his money are soon parted.

Since he is always laughing, it can be said that 'fortune comes in by a merry gate'.