If the desire to kill and the opportunity to kill always came together, who would escape hanging? Framed in a more positive light, this tells us also that if we wish to accomplish a particular thing then we need to increase our level of desire for that thing and to create or seek out the opportunities and right environment for it to happen without fail.
All you need in this life is ignorance and confidence; then success is sure. You can "already know for sure" things that could actually impede progress. Always be on the lookout for the things you did not know, that you did not know. Secondly, work on strengthening personal belief that a particular will be achieved regardless of any adversity that may show up, or evidence to the contrary.
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.
It usually takes more than three weeks to prepare a good impromptu speech. Overnight success is a fallacy. It is preceded by a great deal of preparation. Ask any successful person how they came to this point in their lives, and they will have a story to tell.
The man who doesn't read good books has no advantage over the man who can't read them. It is said that leaders are readers. However if they read trashy magazines for the majority of their time and they never run with the information that they glean from resourceful books, then they may as well have not taken any time to read at all. It is easier to stay out than get out.
Habit is habit and not to be flung out of the window by any man, but coaxed downstairs a step at a time. You cannot eliminate habits that no longer serve you. You can only replace them with new habits that support your goals. Moment by moment, you need to live with awareness and structure the habits that you include or exclude in your days.