Tell it to your anxious thought, always worrying about the future, that "I will worry about it when that actually happens".

Haemin Sunim

No matter how far a person can go the horizon is still way beyond you.

Zora Neale Hurston

But life is very short and anxious for those who forget the past, neglect the present, and fear the future.

Seneca

Courage is risking the known for the unknown, the familiar for the unfamiliar.

Osho

There is no more disastrous mania, no more dangerous whim, than the speculation over roads not taken.

Juan Gabriel Vásquez

From a certain point onward there is no longer any turning back. That is the point that must be reached.

Franz Kafka