Top 5 Challenge Quotes

For one human being to love another: that is perhaps the most difficult of all our tasks, the ultimate, the last test and proof, the work for which all other work is but preparation.

I wish to preach, not the doctrine of ignoble ease, but the doctrine of the strenuous life.

We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard.