Turn your thoughts away from what will soon pass away, and keep them focused on what is eternal. You will be followed not by armed soldiers but by death to which we are brought closer by every day. Be very careful to guard your soul from all ruinous temptations. John of Shanghai and San Francisco
You've got to be very careful if you don't know where you are going, because you might not get there. Yogi Berra
I was very careful to send Mr. Roosevelt every few days a statement of our casualties. I tried to keep before him all the time the casualty results because you get hardened to these things and you have to be very careful to keep them always in the forefront of your mind. George C. Marshall
You have to be very careful when you're working on a sequel, because it has to be a continuation of what you did before. Hideo Kojima
After the French Revolution, it was not the treason of the king that was in question; it was the existence of the king. You have to be very careful when you judge and execute somebody for being a symbol. Adam Michnik
Particularly at around the age of 70 you reach a stage where you have to be very careful. If, at that point, you abandon the work you have been doing, there is a good chance that you will just collapse and drift. Dietrich Fischer-Dieskau