Sometime, somewhere you take something to be the truth. But if you cling to it too strongly, then even when the truth comes in person and knocks on your door, you will not open it.
There is no meditation without wisdom, and there is no wisdom without meditation. When a man has both meditation and wisdom, he is indeed close to nirvana.
A person writing at night may put out the lamp, but the words he has written will remain. It is the same with the destiny we create for ourselves in this world.