Uncertainty of today predicted in 1800s.."No one knows " Is the theme of the News Luke21:26.

Bible Says :Luke21:26 Men's hearts failing them for fear, and for looking after those things which are coming on the earth: for the powers of heaven shall be shaken.

Ellen G White says :There are not many, even among educators and statesmen, who comprehend the causes that underlie the present state of society. Those who hold the reins of government are not able to solve the problem of moral corruption, poverty, pauperism, and increasing crime. They are struggling in vain to place business operations on a more secure basis. If men would give more heed to the teaching of God's word, they would find a solution of the problems that perplex them.
Testimonies, vol. 9, p13.3}

Cramer on CNBC says :

1. No one knows what their taxes will be next year. And when you don’t know, Cramer said, you sell.
2. the banks just don’t know what the new law means to them.
3. No one knows what their house is worth. If homeowners can’t put their finger on it, they certainly aren’t about to become stockholders.

Ellen G White says :The calamities by land and sea, the unsettled state of society, the alarms of war, are portentous. They forecast approaching events of the greatest magnitude. The agencies of evil are combining their forces, and consolidating. They are strengthening for the last great crisis. Great changes are soon to take place in our world, and the final movements will be rapid ones.--
Testimonies, vol. 9, p. 11