Men who know themselves are no longer fools. They stand on the threshold of the door of Wisdom.
Triumphant science and technology are only at the threshold of man's command over sources of energy so stupendous that if used for military purposes they can wipe out our entire civilization.
The teacher who is indeed wise does not bid you to enter the house of his wisdom but rather leads you to the threshold of your mind.
Think of yourself as on the threshold of unparalleled success. A whole clear glorious life lies before you. Achieve! Achieve!
It is not unprofessional to give free legal advice but advertising that the first visit will be free is a bit like a fox telling chickens he will not bite them until they cross the threshold of the hen house.
At times we were forced to go through a history of dependence unable to determine our own destiny. But today we are at the threshold of a new turning point.
Luck is everything... My good luck in life was to be a really frightened person. I'm fortunate to be a coward to have a low threshold of fear because a hero couldn't make a good suspense film.
If you are interested enough in the climate crisis to read this post, you probably know that 2 degrees Centigrade of warming (or 3.6 degrees Fahrenheit) is the widely acknowledged threshold for "dangerous" climate change.
Spending $1 for a brand new house would feel very very good. Spending $1 000 for a ham sandwich would feel very very bad. Spending $19 000 for a small family car would feel well more or less right. But as with physical pain fiscal pain can depend on the individual and everyone has a different threshold.
It is possible that mankind is on the threshold of a golden age but if so it will be necessary first to slay the dragon that guards the door and this dragon is religion.