When You Know The Answer You Want,

Before The Discovery Of Quantum Mechanics, The Framework Of Physics Was This: If You Tell Me How Things Are Now, I Can Then Use The Laws Of Physics To Calculate, And Hence Predict, How Things Will Be Later.

The Central Idea Of String Theory Is Quite Straightforward. If You Examine Any Piece Of Matter Ever More Finely, At First You'll Find Molecules, Atoms, Sub-atomic Particles. Probe The Smaller Particles, You'll Find Something Else, A Tiny Vibrating Filament Of Energy, A Little Tiny Vibrating String.

Time Allows Change To Take Place And The Very Evolution Of The Universe Is What Requires Some Conception Of Time. Mathematically Can We Write Down A Universe That Doesn't Have Time? Sure. Do We Think That Would Be Realised In The Larger Reality That Is Out There? None Of Us Take That Possibility Seriously.

Quantum Mechanics Is Different. Its Weirdness Is Evident Without Comparison. It Is Harder To Train Your Mind To Have Quantum Mechanical Tuition, Because Quantum Mechanics Shatters Our Own Personal, Individual Conception Of Reality

The Boldness Of Asking Deep Questions May Require Unforeseen Flexibility If We Are To Accept The Answers.