If you attempt certain things at the right time, they are easy to accomplish - in fact, they almost get done by themselves. If you undertake them before the time is right, not only will they fail, but they will often become impossible to accomplish even when the time would have been right.
Francesco GuicciardiniHe is less likely to be mistaken who looks forward to a change in the affairs of the world than he who regards them as firm and stable.
Francesco GuicciardiniTo relinquish a present good through apprehension of a future evil is in most instances unwise ... from a fear which may afterwards turn out groundless, you lost the good that lay within your grasp.
Francesco Guicciardini