"My brethren, count it all joy when ye fall into divers temptations;
Knowing this, that the trying of your faith worketh patience."

                            -James 1:2 

When James wrote this epistle, the first thing he did was encourage his fellow brothers and sisters in the faith to withstand temptation (meaning trials, in this context). He spoke of when they encountered hardship - not if they encountered it. This is because  he realized that all Christians will go through their fair share of difficult times, no matter how Godly they are. In fact, the Godlier we are, the more trials we will go through. But instead of discouraging us, these times should cause us to be all the more joyful, knowing that it is through these times that we will be brought closer to the Lord.

Look through the 1,000+ pages of the Bible, and you will not find a single verse where we are promised that the cross will not get heavy from time to time. On the contrary, we have promises assuring us that it will at times become difficult to bear (see II Timothy 3:12). But during those trials, we can hold on to the promise that, not matter what we go through, we will never go alone (Matthew 28:20). As has often been said, God wouldn't lead you to it if He couldn't bring you through it.

"There hath no temptation taken you but such as is common to man: but God is faithful, who will not suffer you to be tempted above that ye are able; but will with the temptation also make a way to escape, that ye may be able to bear it."

                            -I Corinthians 10:13

Whatever you may be going through right now, remember that you aren't on your own. Not only is God with you, but He has brought many other Christians through this same valley safely to the other side. As it says in this verse, when the cross become heavy, God will enable us to bear it.