(1) If democracy is to survive, it is the task of men of thoughts, as well as men of action, to put aside pride and prejudice; and with courage and single-minded devotion---- to find the truth and teach the truth that shall keep men free. 

(2) An awesome challenge/task lies ahead of them.

(3) We went about our task with renewed enthusiasm.

(4) They had an awesome task ahead.

(5) He was saddled a hard task on.

(6) I will enter on my task tomorrow.

(7) I can't complete this task alone.

(8) The task was a formidable one.

(9) He consigned the task to the new comer.

(10) She undertook the arduous task of monitoring the elections.

(11) They attempted to finish the task before June.

(12) He is competent for the task.

(13) This last task is possibly the most difficult.

(14) Try your best[Sentencedict.com], even if the task seems difficult.

(15) We have a formidable task ahead of us.

(16) This task is prior to all others.

(17) The task poses no special problems.

(18) Jennie fell to her task in silence.

(19) The task requires a good comprehension of complex instructions.

(20) I have to finish the task ahead of time.

(21) The task was accomplished with comparative ease.

(22) It was a seemingly impossible task. Sentencedict.com

(23) This task is too much for me.

(24) Missionaries saw it as their task to save souls.

(25) Do not task your strength too much.

(26) Translating the letter was no easy task.

(27) This task is accomplished by great effort.

(28) She performed the most challenging task without a mistake.

(29) He helped me out with my task.

(30) He set about the task with grim concentration.