the time has come
Now is the appropriate moment.
Perhaps the time has come to cease calling it the "environmentalist" view, as though it were a lobbying effort outside the mainstream of human activity, and to start calling it the real-world view. E. O. Wilson
The time has come for us to stand a little taller, to lift our eyes and stretch our minds to a greater comprehension and understanding of the grand millennial mission of this, The Church of Jesus Christ of Latter-day Saints. Gordon B. Hinckley
The time has come when we must proceed with the business of carrying the war to the enemy, not permitting the greater portion of our armed forces and our valuable material to be immobilized within the continental United States. George C. Marshall
The time has come when scientific truth must cease to be the property of the few, when it must be woven into the common life of the world. Louis Agassiz
The time has come to realize that supersensible knowledge has now to arise from the materialistic grave. Rudolf Steiner
There was a time they loved an accordionist, and now the time has come where they love a tractor driver. Russian Proverb